Expansion of e.g.f.: (sin(x) + sin(6*x)) / sin(7*x), even-indexed terms only.

A273031

Expansion of e.g.f.: (sin(x) + sin(6*x)) / sin(7*x), even-indexed terms only.

Terms

    a(0) =1a(1) =6a(2) =330a(3) =48726a(4) =13534410a(5) =6046913046

External references