Expansion of e.g.f. sinh(x*tan(x/2)) (even powers only).
A296854
Expansion of e.g.f. sinh(x*tan(x/2)) (even powers only).
Terms
- a(0) =0a(1) =1a(2) =1a(3) =18a(4) =227a(5) =4565a(6) =126648a(7) =4620805a(8) =213569269a(9) =12165013026a(10) =835868220455
External references
- oeis: A296854