400080004
domain: N
Appears in sequences
- Palindromic squares.at n=26A002779
- Palindromic squares with an odd number of digits.at n=24A028817
- Palindromes whose square root is a palindrome.at n=20A057136
- Squares composed of digits {0,4,8}, not ending with zero.at n=7A058442
- Palindromic perfect powers.at n=30A075786
- Palindromes in A085932.at n=27A085933
- Squares containing only the digits 0, 4 or 8.at n=16A202172
- Let x(1)x(2)... x(q) denote the decimal expansion of a number n with q odd. The sequence lists the squares n such that the central digit equals the sum of the other digits.at n=17A236181
- a(n) = A128921(n)^2.at n=22A319483
- Perfect powers m^k, m >= 1, k >= 2 such that m and m^k both are palindromes.at n=24A348429