A306630 a(n) = [x^n] 1/(Sum_{k=0..n} (k!)^n * x^k).

1, -1, -3, -201, -328975, -24866803361, -139308071489312831, -82606210548424879390169217, -6984963414431972003347406551951687935, -109110687852301656115645192848607902864427297823233

Offset: 0

Author

Seiichi Manyama, Mar 02 2019

Keywords

• sign

Links

• Seiichi Manyama, Table of n, a(n) for n = 0..30

Crossrefs

Main diagonal of A306629.