Expansion of e.g.f.: exp(exp(x)-sec(x))=1+x+1/2!*x^2+2/3!*x^3+1/4!*x^4-8/5!*x^5...
A013327
Expansion of e.g.f.: exp(exp(x)-sec(x))=1+x+1/2!*x^2+2/3!*x^3+1/4!*x^4-8/5!*x^5...
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =-8a(6) =-83a(7) =-572a(8) =-3447a(9) =-21672a(10) =-123111a(11) =-737240a(12) =-3483619a(13) =-13031484a(14) =70815357a(15) =2064032844a(16) =35771746481a(17) =493920403632
External references
- oeis: A013327