Expansion of e.g.f.: exp(1 / (1 - tan(x)) - 1).
A331610
Expansion of e.g.f.: exp(1 / (1 - tan(x)) - 1).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =15a(4) =97a(5) =777a(6) =7379a(7) =80983a(8) =1007137a(9) =13986289a(10) =214383171a(11) =3593224767a(12) =65347120705
External references
- oeis: A331610