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

Author

Patrick De Geest

Keywords

• nonn
• base

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..92
• Patrick De Geest, Palindromic Squares in bases 2 to 17

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.

Formula

a(n) = A029990(n)^2. - Seiichi Manyama, Oct 16 2021