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

Author

Patrick De Geest

Keywords

• nonn
• base

Links

• Vincenzo Librandi, Table of n, a(n) for n = 1..100
• Patrick De Geest, Palindromic Squares in bases 2 to 17

Crossrefs

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

Programs

Mathematica

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