COOKIE CONSENT: By continuing to browse my site you agree to its use of cookies. OK or Tell me more
Search a number
centered square n.  and  cyclic n.

First numbers that belong to both sets:

1, 5, 13, 41, 61, 85, 113, 145, 181, 221, 265, 313, 365, 421, 481, 545, 613, 685, 761, 1013, 1105, 1201, 1301, 1513, 1741, 1861, 1985, 2113, 2245, 2381, 2521, 2813, 2965, 3121, 3281, 3613, 3785, 3961, 4141, 4513, 5101, 5941, 6161, 6385, 6613, 7081, 7321, 7565, 7813, 8065, 8321, 8581, 9113, 9385, 9661, 9941, 10513, 11101, 11401, 12013, 12641, 12961, 13285, 13613, 13945, 14281, 14621, 15313, 16021, 16381, 16745, 17113, 17485, 17861, 18241, 19013, 19801, 20201, 20605, 21013, 21841, 22261, 22685, 23113, 23545, 23981, 24421, 24865, 25313, 25765, 26221, 26681, 27613, 29041, 30013, 31001, 32005, 32513, 34061, 34585, 35113, 35645, 36181, 36721, 37265, 37813, 38365, 38921, 39481, 40045, 40613, 41185, 41761, 42341, 43513, 44701, 45301, 46513, 47741, 48361, 49613, 50245, 50881, 51521, 52165, 52813, 54121, 54781, 55445, 56113, 57461, 58141, 59513, 60901, 61601, 62305, 63013, 64441, 65161, 65885, 66613, 67345, 68081, 68821, 69565, 70313, 71821, 72581, 73345, 74113, 75661, 76441, 78013, 79601, 80401, 81205, 82013, 83641, 84461, 86113, 86945, 87781, 88621, 89465, 90313, 91165, 92021, 92881, 93745, 94613, 96361, 97241, 99013, 100801, 101701, 103513, 105341, 106261, 107185, 108113, 109045, 109981, 110921, 112813, 114721, 115681, 117613, 119561, 120541, 123505, 125501, 127513, 129541, 130561, 131585, 133645, 134681, 135721, 136765, 137813, 138865, 139921, 140981, 142045, 143113, 144185, 145261, 146341, 148513, 150701, 151801, 152905, 154013, 156241, 157361, 158485, 159613, 160745, 161881, 163021, 164165, 165313, 167621, 168781, 171113, 172285, 173461, 174641, 177013, 178205, 179401, 180601, 181805, 183013, 185441, 186661, 187885, 189113, 190345, 191581, 192821, 194065, 195313, 196565, 197821, 199081, 200345, 201613, 202885, 204161, 205441, 208013, 210601, 211901, 214513, 217141, 218461, 219785, 221113, 222445, 223781, 226465, 227813, 229165, 230521, 233245, 234613, 235985, 237361, 238741, 241513, 244301, 245701, 247105, 248513, 251341, 252761, 254185, 255613, 259921.

Some larger examples :