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A030072 Numbers n such that n^2 is palindromic in base 14. 0
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..42.

P. 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

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

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Last modified June 24 16:32 EDT 2017. Contains 288707 sequences.