135218

Appears in sequences

• a(n) = 625n^2 - 364n + 53.at n=14A157621
• Vandermonde sequence using x^2 + y^2 applied to (1,4,9,...,n^2).at n=2A203677
• Numbers which are the sum of two squared primes in exactly four ways (ignoring order).at n=32A226599