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A029737
Numbers whose square is palindromic in base 12.
11
0, 1, 2, 3, 13, 26, 145, 157, 169, 179, 181, 290, 292, 302, 611, 1729, 1745, 1783, 1885, 2041, 3458, 3614, 3796, 20737, 20881, 21025, 21169, 22477, 22621, 22765, 24073, 24217, 24361, 24599, 25523, 25579, 28613, 41474, 41618, 41908, 43214
OFFSET
1,3
LINKS
MATHEMATICA
pal12Q[n_]:=Module[{idn12=IntegerDigits[n^2, 12]}, idn12==Reverse[idn12]]
Select[Range[0, 50000], pal12Q] (* Harvey P. Dale, Feb 06 2011 *)
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), this sequence (b=12), A029998 (b=13), A030072 (b=14), A030073 (b=15), A029733 (b=16), A118651 (b=17).
Sequence in context: A024779 A286458 A087906 * A191063 A105891 A228991
KEYWORD
base,nonn
STATUS
approved