81652

Appears in sequences

• Indices of primes in sequence defined by A(0) = 59, A(n) = 10*A(n-1) - 81 for n > 0.at n=18A101569
• Number of (n+2)X(5+2) 0..1 arrays with no 3x3 subblock diagonal sum 0 and no antidiagonal sum 0 and no row sum 2 and no column sum 2.at n=23A255225
• Number of permutations of [n] avoiding the patterns 2-41-3, 3-14-2, 2-14-3, and 3-41-2.at n=10A348351