Expansion of e.g.f. Product_{k>0} 1/(1 - tan(x)^k / k!).
A335643
Expansion of e.g.f. Product_{k>0} 1/(1 - tan(x)^k / k!).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =12a(4) =71a(5) =462a(6) =3890a(7) =35133a(8) =381583a(9) =4411870a(10) =58623990a(11) =826335675a(12) =12990713482a(13) =216027857567
External references
- oeis: A335643