19391512144
domain: N
Appears in sequences
- Expansion of e.g.f. tan(x)*sin(x) (even powers only).at n=8A009744
- Number of fixed points in all reverse alternating (i.e., up-down) permutations of {1,2,...,n}.at n=15A162977
- Modified Euler numbers.at n=16A217714
- Binomial transform of -1, -1, 1, 2, -5, -16, ... (signed variant of A000111).at n=16A218529