650160

Appears in sequences

• E.g.f.: arctanh(arctanh(x)-log(x+1)).at n=5A013301
• Triangle T(n,k) (0 <= k <= n) giving number of chains of length k in partially ordered set formed from subsets of n-set by inclusion.at n=41A038719
• a(n) = (1 + 2^n) * n!.at n=7A052561
• Numbers that have exactly ten prime factors counted with multiplicity (A046314) whose digit reversal is different and also has 10 prime factors (with multiplicity).at n=19A109030
• a(n) = (1/n)*A205103(n).at n=52A205104
• Positions of records in A355593: Integers whose number of alternating divisors sets a new record.at n=32A355595
• E.g.f. A(x) satisfies A(x) = exp(x^2 * A(x) / (1-x)^3).at n=7A389844