113176

Appears in sequences

• a(n) = self-convolution of row n of array T given by A026780.at n=8A027247
• Number of simple unlabeled n-node graphs of connectivity 2.at n=8A052443
• Numbers k such that k-3, k-5, k-17, k-257, and k-65537 are all primes.at n=24A063825
• Principal diagonal of the convolution array A213841.at n=27A213842
• Triangle read by rows: T(n,k) = number of unlabeled graphs with n nodes and connectivity exactly k (n>=1, 0<=k<=n-1).at n=38A259862
• Numbers k such that (94*10^k + 11)/3 is prime.at n=24A280019