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A029991 Squares which are palindromes in base 6. 11
0, 1, 4, 49, 1369, 1849, 5776, 8281, 47089, 67081, 1132096, 1682209, 1776889, 2307361, 2418025, 7311616, 11336689, 60481729, 64464841, 82428241, 389944009, 2176875649, 2197078129, 2302944121, 2323722025, 2963604721 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Patrick De Geest, Palindromic Squares
FORMULA
a(n) = A029990(n)^2. - Seiichi Manyama, Oct 16 2021
CROSSREFS
Squares which are palindromes in base b: A029983 (b=2), A029985 (b=3), A029987 (b=4), A029989 (b=5), this sequence (b=6), A029993 (b=7), A029806 (b=8), A029995 (b=9), A002779 (b=10), A029997 (b=11), A029738 (b=12), A029999 (b=13), A030074 (b=14), A030075 (b=15), A029734 (b=16).
Cf. A029990.
Sequence in context: A354865 A191301 A336805 * A129419 A212130 A049503
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified March 19 07:04 EDT 2024. Contains 370953 sequences. (Running on oeis4.)