A030074 Squares which are palindromes in base 14.

0, 1, 4, 9, 225, 576, 900, 2209, 27225, 38809, 44521, 50625, 57121, 155236, 166464, 178084, 4796100, 5978025, 7535025, 8732025, 10017225, 30140100, 32490000, 73359225, 1475865889, 1490963769, 1506138481, 1521390025

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..57

Patrick De Geest, Palindromic Squares in bases 2 to 17

Mathematica

pb14Q[n_]:=Module[{idn14=IntegerDigits[n, 14]}, idn14==Reverse[idn14]]; Select[Range[0, 20000]^2, pb14Q] (* Vincenzo Librandi, Jul 24 2014 *)

Crossrefs

Cf. A002779, A029734, A029738, A029806, A029983, A029985, A029987, A029989, A029991, A029993, A029995, A029997, A029999, A030075.

Sequence in context: A202463 A286322 A318615 * A335723 A299122 A377665

Adjacent sequences: A030071 A030072 A030073 * A030075 A030076 A030077

Keyword

base,nonn,changed

Author

Patrick De Geest

Status

approved