Expansion of e.g.f.: sec(sinh(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+450/6!*x^6-2940/7!*x^7...
A012517
Expansion of e.g.f.: sec(sinh(x)*log(x+1))=1+12/4!*x^4-60/5!*x^5+450/6!*x^6-2940/7!*x^7...
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =12a(5) =-60a(6) =450a(7) =-2940a(8) =30800a(9) =-336672a(10) =4362120a(11) =-57707760a(12) =847204776a(13) =-13292039904a(14) =228041125312
External references
- oeis: A012517