34636

Appears in sequences

• a(n) is the sum of products of terms in all partitions of n.at n=17A006906
• Super-4 Numbers (4 * n^4 contains substring '4444' in its decimal expansion).at n=35A032744
• a(n) = (n!/2)*Sum(1/k!, k=1..n-2).at n=8A038158
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, -1), (-1, -1, 1), (0, 0, -1), (0, 1, 0), (1, 0, 0)}.at n=10A149821
• G.f. satisfies: A(x) = (A(x^2) + x)^2.at n=38A224272
• Number of permutations of 3 indistinguishable copies of 1,...,n such that the first and second copies of j are adjacent and there are exactly j-1 numbers between the second and the third copy of j.at n=12A321956
• G.f.: Sum_{n>=0} x^n * (1 + x^n)^n / (1 + x^(n+1))^(n+1).at n=62A323557
• Number of non-isomorphic multiset partitions of weight n with at most 2 distinct vertices, or with at most 2 (not necessarily distinct) edges.at n=16A323655
• The number of walks of n steps on the hexagonal lattice that start at the origin and end at the non-adjacent vertex (2,0).at n=6A337906
• a(n) is the smallest k such that A363533(k) = n, or -1 if no such k exists.at n=49A363536