Expansion of e.g.f. 1/(8 - Sum_{k=1..7} exp(k*x)).

A004705

Expansion of e.g.f. 1/(8 - Sum_{k=1..7} exp(k*x)).

Terms

    a(0) =1a(1) =28a(2) =1708a(3) =156016a(4) =19000996a(5) =2892636208a(6) =528436162708

External references