-1428840

Appears in sequences

• Expansion of e.g.f.: sech(arctanh(x)+log(x+1))=1-4/2!*x^2+6/3!*x^3+45/4!*x^4-300/5!*x^5...at n=9A013166
• Generalized Stirling number triangle of the first kind.at n=32A051231