Expansion of e.g.f. cos(tan(x))*x, odd terms only.
A009071
Expansion of e.g.f. cos(tan(x))*x, odd terms only.
Terms
- a(0) =1a(1) =-3a(2) =-35a(3) =-679a(4) =-18567a(5) =-587499a(6) =-9780459a(7) =2502478065a(8) =742659420913
External references
- oeis: A009071