A029806 n in base 8 is a palindromic square.

0, 1, 4, 9, 36, 81, 121, 729, 4225, 5329, 6241, 6561, 6889, 38025, 47961, 56169, 133956, 263169, 294849, 342225, 485809, 1196836, 2368521, 3080025, 3515625, 8468100, 16785409, 17313921, 17850625, 20043529, 21316689, 21911761

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..100

Patrick De Geest, Palindromic Squares in bases 2 to 17

Mathematica

pb8Q[n_]:=Module[{idn8=IntegerDigits[n, 8]}, idn8==Reverse[idn8]]; Select[Range[0, 20000]^2, pb8Q] (* Vincenzo Librandi, Jul 24 2014 *)

Crossrefs

Cf. A002779, A029734, A029738, A029983, A029985, A029987, A029989, A029991, A029993, A029995, A029997, A029999, A030074, A030075.

Sequence in context: A118547 A363408 A115700 * A133125 A126161 A179934

Adjacent sequences: A029803 A029804 A029805 * A029807 A029808 A029809

Keyword

nonn,base

Author

Patrick De Geest

Status

approved