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A029997
Squares which are palindromes in base 11.
11
0, 1, 4, 9, 36, 144, 576, 676, 5184, 7056, 14884, 17689, 20736, 59536, 65025, 77841, 145924, 535824, 1774224, 2143296, 2547216, 5827396, 7096896, 7817616, 9375844, 20034576, 63872064, 214388164, 217946169, 221533456, 255488256, 259371025
OFFSET
1,3
LINKS
Vincenzo Librandi and Chai Wah Wu, Table of n, a(n) for n = 1..129 First 60 terms from Vincenzo Librandi.
P. De Geest, Palindromic Squares
MATHEMATICA
pb11Q[n_]:=Module[{idn11=IntegerDigits[n, 11]}, idn11==Reverse[idn11]]; Select[Range[0, 17000]^2, pb11Q] (* Harvey P. Dale, Jul 23 2014 *)
PROG
(Python)
from gmpy2 import digits
A029997_list = [n for n in (x**2 for x in range(10**7)) if digits(n, 11) == digits(n, 11)[::-1]]
# Chai Wah Wu, Dec 01 2014
KEYWORD
nonn,base
STATUS
approved