-26091120

Appears in sequences

• Expansion of e.g.f. sec(sin(x)*log(x+1)).at n=11A012288
• sec(arcsinh(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+210/6!*x^6-1260/7!*x^7...at n=11A012582