-3447
domain: Z
Appears in sequences
- 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...at n=8A013327
- Matrix inverse of triangle A104980.at n=28A104984
- Matrix inverse of triangle A104980.at n=37A104984
- Matrix inverse of triangle A104980.at n=47A104984
- Matrix inverse of triangle A104980.at n=58A104984
- Triangle T(n,k)= n! if k=0, T(n,k) = -(n-k)!*A003319(k) if k > 0.at n=35A142156
- Triangle T(n,k)= n! if k=0, T(n,k) = -(n-k)!*A003319(k) if k > 0.at n=43A142156
- Expansion of g.f.: 1/(Sum_{k >= 0} k!*x^k).at n=7A167894
- Square array A(n,k), n>=0, k>=0, read by antidiagonals, where column k is the expansion of 1/(Sum_{j>=0} (j!)^k * x^j).at n=43A306629