-7959

Appears in sequences

• Expansion of e.g.f.: sech(log(x+1)-sin(x))=1-3/4!*x^4+30/5!*x^5-180/6!*x^6+1113/7!*x^7...at n=8A013221
• a(n) = A033879(A276086(n)).at n=29A324654