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A029806 n in base 8 is a palindromic square. 9
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

P. De Geest, Palindromic numbers beyond base 10

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: A053057 A118547 A115700 * A133125 A126161 A179934

Adjacent sequences:  A029803 A029804 A029805 * A029807 A029808 A029809

KEYWORD

nonn,base

AUTHOR

Patrick De Geest

STATUS

approved

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Last modified March 26 22:59 EDT 2017. Contains 284138 sequences.