70805

Appears in sequences

• Triangle T(n,k) of series-reduced (or homeomorphically irreducible) labeled graphs with n nodes and k edges, k=0..binomial(n,2).at n=54A060514
• n such that A205592(n) > n.at n=33A205594
• Numbers k such that between k and the next prime there are gpf(k) numbers, where gpf(k) denotes the largest prime factor of k.at n=37A235425
• Number of ways to fill a matrix with the parts of a strict integer partition of n.at n=28A323301
• Expansion of x*(1+2*x)/((1-2*x)*(1-x+4*x^2)).at n=15A335840
• Abelian orders m for which there exist at least 4 groups of order m.at n=27A350323
• Odd numbers k such that k divides A163511(k).at n=16A364495