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junction n.  and  star n.

First numbers that belong to both sets:

2521, 5221, 12421, 29821, 32413, 35113, 37921, 57037, 75937, 90037, 97537, 100621, 127021, 132313, 148837, 178537, 189037, 199837, 246037, 283837, 291721, 297037, 316021, 349933, 367537, 397837, 462037, 478837, 495937, 523921, 549037, 556321, 567337, 585937, 624037, 683437, 699733, 745537, 766837, 788437, 823621, 855037, 864121, 919633, 972037, 996337, 1096537, 1174837, 1190821, 1223113, 1239421, 1255837, 1339537, 1368037, 1396837, 1425937, 1485037, 1515037, 1575937, 1606837, 1625521, 1638037, 1669537, 1682221, 1759333, 1765837, 1864837, 1966537, 2127721, 2178037, 2192521, 2287837, 2310121, 2325037, 2438437, 2476837, 2500021, 2554537, 2593837, 2673337, 2754037, 2770321, 2835937, 2869033, 2877337, 2961037, 3045937, 3088837, 3175537, 3298933, 3307837, 3334621, 3397537, 3415621, 3442837, 3488437, 3580537, 3627037, 3673837, 3720937, 3758833, 3768337, 3816037, 3922033, 3960937, 4000033, 4009837, 4039321, 4059037, 4128421, 4158337, 4248733, 4258837, 4309537, 4463437, 4567537, 4672837, 4683433, 4725937, 4768633, 4811521, 4833037, 4887037, 4941337, 5039833, 5106037, 5273437, 5329837, 5386537, 5443537, 5558437, 5616337, 5651221, 5674537, 5733037, 5850937, 5970037, 6030037, 6150937, 6199633, 6273037, 6334537, 6396337, 6408733, 6458437, 6520837, 6583537, 6646537, 6773437, 6824533, 6837337, 6901537, 6966037, 7227037, 7359337, 7372633, 7425937, 7479433, 7533121, 7560037, 7627537, 7708933, 7763437, 7818133, 7831837, 7900537, 8038837, 8108437, 8178337, 8248537, 8404033, 8460937, 8518033, 8532337, 8604037, 8676037, 8762833, 8820937, 9247933, 9262837, 9337537, 9412537, 9502933, 9563437, 9715537, 9792037, 9884233, 9899641, 10179037, 10210321, 10335937, 10399033, 10494037, 10573537, 10669333, 10797733, 10813837, 10862221, 10894537, 10975537, 11008021, 11056837, 11385037, 11467837, 11550937, 11718037, 11802037, 11886337, 11970937, 12055837, 12106921, 12260821, 12398437, 12467533, 12484837, 12571537, 12658537, 12745837, 12833437, 13186837, 13275937, 13365337, 13419121, 13455037, 13545037, 13581121, 13635337, 13725937, 13816837, 14183437, 14275837, 14368537, 14461537, 14554837, 14573533, 14648437, 14742337, 14836537, 14931037, 15025837, 15197233, 15312037, 15408037, 15600937, 15659041, 15678433, 15795037, 15990337, 16009933, 16088437, 16246021, 16285537, 16384537, 16424221, 16583437, 16663333, 16683337, 16884037, 17167033, 17187337, 17289037, 17493337, 17513833, 17678233, 17802037, 17905537, 18009337, 18217837, 18322537, 18427537, 18532837, 18553933, 18575041, 18744337, 18850537, 19063837, 19085233, 19170937, 19256833, 19386037.

Some larger examples :