A030072 Numbers k such that k^2 is palindromic in base 14.

0, 1, 2, 3, 15, 24, 30, 47, 165, 197, 211, 225, 239, 394, 408, 422, 2190, 2445, 2745, 2955, 3165, 5490, 5700, 8565, 38417, 38613, 38809, 39005, 41175, 41371, 41567, 41763, 43737, 43933, 44129, 48159, 55962, 76834, 77030, 77226, 79592, 79788

Offset

1,3

Links

Seiichi Manyama, Table of n, a(n) for n = 1..100

Patrick De Geest, Palindromic Squares

Mathematica

pal14Q[n_]:=Module[{idn14=IntegerDigits[n^2, 14]}, idn14==Reverse[idn14]]; Select[Range[0, 80000], pal14Q] (* Harvey P. Dale, Mar 09 2012 *)

Crossrefs

Numbers k such that k^2 is palindromic in base b: A003166 (b=2), A029984 (b=3), A029986 (b=4), A029988 (b=5), A029990 (b=6), A029992 (b=7), A029805 (b=8), A029994 (b=9), A002778 (b=10), A029996 (b=11), A029737 (b=12), A029998 (b=13), this sequence (b=14), A030073 (b=15), A029733 (b=16), A118651 (b=17).

Sequence in context: A037175 A048613 A162890 * A064219 A244377 A244330

Adjacent sequences: A030069 A030070 A030071 * A030073 A030074 A030075

Keyword

base,nonn

Author

Patrick De Geest

Status

approved