38107

Appears in sequences

• Indices of primes in sequence defined by A(0) = 61, A(n) = 10*A(n-1) + 81 for n > 0.at n=26A101541
• Number of (n+2)X(7+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=21A255227
• Number of essentially parallel achiral series-parallel networks with n elements and without multiple unit elements in parallel.at n=18A339292