31782

Appears in sequences

• Number of Section I primes between 2^n and 2^(n+1). See A135832.at n=45A135833
• Number of ways of partitioning the multiset {1,1,1,2,3,...,n-2} into exactly three nonempty parts.at n=9A168605
• Triangle read by rows: T(n,k) = number of ways of partitioning the (n+2)-element multiset {1,1,1,2,3,...,n} into exactly k nonempty parts, n >= 0 and 1 <= k <= n + 2.at n=67A291117
• a(n) is the Wiener index of a broom on 2n vertices of which n+2 are pendant.at n=33A349416
• Triangle read by rows: T(n,k) is the number of simple graphs on n unlabeled nodes with degeneracy k, 0 <= k < n.at n=38A384849