532900

Appears in sequences

• Squares which are palindromes in base 3.at n=20A029985
• Squares which are palindromes in base 7.at n=21A029993
• Squares which are palindromes in base 9.at n=9A029995
• Main diagonal of A082043: a(n) = n^4 + 2*n^2 + 1.at n=27A082044
• Maximum number of rational points on a smooth absolutely irreducible projective curve of genus 1 over the field F_3^n.at n=11A169877
• Number of n X 4 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 0 1 and 1 1 1 vertically.at n=13A207689
• Squares equal to the difference between two successive primes of the form n^2+1.at n=31A216330
• Smallest palindromic number of 7 digits in two bases differing by n.at n=1A216901
• Square numbers whose sum of proper square divisors is also square greater than 1.at n=6A232557
• Sequence of distinct least squares such that the arithmetic mean of the first n squares is also a square.at n=19A236247
• Palindromic numbers in bases 3 and 7 written in base 10.at n=23A259377
• Palindromic numbers in bases 7 and 9 written in base 10.at n=28A259390
• Numbers n written in base 10 that are palindromic in exactly three bases b, 2 <= b <= 10 and not simultaneously bases 2, 4 and 8.at n=37A260184
• Numbers whose base-3 representation is a square when read in base 10.at n=44A267763
• Numbers that are palindromic in bases 3, 9 and 27.at n=23A308832
• Numbers in base 10 that are palindromic in bases 3, 7, and 9.at n=12A319595
• Powerful numbers (A001694) whose sum of aliquot powerful divisors (including 1) is larger than 1 and is also powerful.at n=17A349110