-5383

Appears in sequences

• E.g.f.: sech(log(x+1)-sinh(x))=1-3/4!*x^4+10/5!*x^5-100/6!*x^6+693/7!*x^7...at n=8A013269
• Expansion of 1/(Sum_{k>=0} x^(k^3))^2.at n=40A363776