A029991 Squares which are palindromes in base 6.

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

Offset

1,3

Links

Seiichi Manyama, Table of n, a(n) for n = 1..92

Patrick De Geest, Palindromic Squares in bases 2 to 17

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

Adjacent sequences: A029988 A029989 A029990 * A029992 A029993 A029994

Keyword

nonn,base

Author

Patrick De Geest

Status

approved