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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
OFFSET
1,3
LINKS
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
KEYWORD
base,nonn
STATUS
approved