522144domain: NAppears in sequencesNumbers n such that 37*n^2 + 37*n + 1 is a square.at n=5A105844Number of (n+2)X(n+2) symmetric binary matrices without the pattern 1 0 1 diagonally.at n=3A190604Number of ways to write n as an ordered sum of 7 nonzero decimal palindromes.at n=38A341204