4464769

Appears in sequences

• Crystal ball sequence for D_4 lattice.at n=32A007204
• a(1) = 0, then smallest square such that a(n+1) - a(n) is a palindrome.at n=17A075056
• Prime powers (A025475) such that the distance to the nearest square is a square.at n=21A239582
• Number of (n+2)X(n+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.at n=29A258886