30708
domain: N
Appears in sequences
- Starting numbers for which the RATS sequence has eventual period 3.at n=13A114613
- Triangle read by rows: row n (n>=0) has g.f. Sum_{i=1..n} n!*x^i*(1+x)^(n-i)/(n+1-i).at n=33A126671
- Third diagonal of A126671.at n=5A126673
- a(n) = n! * Sum_{k=1..n} ( Sum_{d|k} (-1)^(k/d + 1) * d ) /k.at n=6A356390
- Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of e.g.f. B(x)^k, where B(x) is the e.g.f. of A162659.at n=41A380178