90843
domain: N
Appears in sequences
- Numbers k such that k divides the (right) concatenation of all numbers <= k written in base 19 (most significant digit on right).at n=30A061948
- Number of 1-2-3-4-5 trees with n edges and with thinning limbs. A 1-2-3-4-5 tree is an ordered tree with vertices of outdegree at most 5. A rooted tree with thinning limbs is such that if a node has k children, all its children have at most k children.at n=13A124500
- Sequence obtained from Fibonacci numbers by taking the factorials of each digit and summing.at n=34A164955
- E.g.f. satisfies: A'(x) = A(x)^7 * A(-x)^4 with A(0) = 1.at n=6A236957