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 A030072 Numbers k such that k^2 is palindromic in base 14. 11
 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 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 STATUS approved

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Last modified December 8 19:12 EST 2022. Contains 358698 sequences. (Running on oeis4.)