A029999 Squares which are palindromes in base 13.

0, 1, 4, 9, 196, 784, 28900, 33489, 38416, 43681, 94864, 115600, 124609, 133956, 4831204, 5664400, 6563844, 8398404, 16208676, 17994564, 19324816, 20958084, 50098084, 58706244, 815787844, 825470361, 835210000, 845006761, 946915984

Offset

1,3

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..61

P. De Geest, Palindromic Squares

Mathematica

pb13Q[n_]:=Module[{idn13=IntegerDigits[n, 13]}, idn13==Reverse[idn13]]; Select[Range[0, 20000]^2, pb13Q] (* Vincenzo Librandi, Jul 24 2014 *)

Crossrefs

Cf. A002779, A029734, A029738, A029806, A029983, A029985, A029987, A029989, A029991, A029993, A029995, A029997, A030074, A030075.

Sequence in context: A067072 A354305 A080438 * A006280 A290158 A202463

Adjacent sequences: A029996 A029997 A029998 * A030000 A030001 A030002

Keyword

nonn,base

Author

Patrick De Geest

Status

approved