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super Niven n.  and  zygodrome

First numbers that belong to both sets:

1100, 2200, 3300, 4400, 5500, 6600, 7700, 8800, 9900, 11000, 11100, 22000, 22200, 33000, 33300, 44000, 44400, 55000, 55500, 66000, 66600, 77000, 77700, 88000, 88800, 99000, 99900, 110000, 111000, 112200, 115500, 220000, 221100, 222000, 224400, 330000, 333000, 336600, 440000, 442200, 444000, 448800, 550000, 555000, 660000, 663300, 666000, 770000, 777000, 880000, 884400, 888000, 990000, 999000, 1100000, 1110000, 1122000, 1155000, 2200000, 2211000, 2220000, 2244000, 3300000, 3330000, 3366000, 4400000, 4422000, 4440000, 4488000, 5500000, 5550000, 6600000, 6633000, 6660000, 7700000, 7770000, 8800000, 8844000, 8880000, 9900000, 9990000, 11000000, 11002200, 11100000, 11111100, 11220000, 11550000, 22000000, 22001100, 22004400, 22110000, 22200000, 22222200, 22440000, 33000000, 33006600, 33300000, 33333300, 33660000, 44000000, 44002200, 44008800, 44220000, 44400000, 44444400, 44880000, 55000000, 55001100, 55500000, 55555500, 66000000, 66003300, 66330000, 66600000, 66666600, 77000000, 77700000, 77777700, 88000000, 88004400, 88440000, 88800000, 88888800, 99000000, 99900000, 99999900, 110000000, 110002200, 110022000, 111000000, 111111000, 112200000, 115500000, 220000000, 220001100, 220004400, 220011000, 220044000, 221100000, 222000000, 222222000, 224400000, 330000000, 330006600, 330066000, 333000000, 333333000, 336600000, 440000000, 440002200, 440008800, 440022000, 440088000, 442200000, 444000000, 444444000, 448800000, 550000000, 550011000, 555000000, 555555000, 660000000, 660003300, 660033000, 663300000, 666000000, 666666000, 770000000, 777000000, 777777000, 880000000, 880004400, 880044000, 884400000, 888000000, 888888000, 990000000, 999000000, 999999000, 1100000000, 1100002200, 1100008800, 1100022000, 1100111100, 1100220000, 1110000000, 1110011100, 1110022200, 1111001100, 1111110000, 1122000000, 1155000000, 2200000000, 2200001100, 2200004400, 2200011000, 2200044000, 2200110000, 2200222200, 2200440000, 2211000000, 2211111000, 2220000000, 2220022200, 2220044400, 2222002200, 2222220000, 2244000000, 3300000000, 3300006600, 3300066000, 3300333300, 3300660000, 3330000000, 3330033300, 3330066600, 3333003300, 3333330000, 3366000000, 4400000000, 4400002200, 4400008800, 4400022000, 4400088000, 4400220000, 4400444400, 4400880000, 4422000000, 4422222000, 4440000000, 4440044400, 4440088800, 4444004400, 4444440000, 4488000000, 5500000000, 5500110000, 5500555500, 5550000000, 5550055500, 5555005500, 5555550000, 6600000000, 6600003300, 6600033000, 6600330000, 6600666600, 6633000000, 6633333000, 6660000000, 6660066600, 6666006600, 6666660000, 7700000000, 7700777700, 7770000000, 7770077700, 7777007700, 7777770000, 8800000000, 8800004400, 8800044000, 8800440000, 8800888800, 8844000000, 8844444000, 8880000000, 8880088800, 8888008800, 8888880000, 9900000000, 9900999900, 9990000000, 9990099900, 9999009900, 9999990000, 11000000000, 11000002200, 11000022000, 11000088000.

Some larger examples :