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A306630 a(n) = [x^n] 1/(Sum_{k=0..n} (k!)^n * x^k). 2
1, -1, -3, -201, -328975, -24866803361, -139308071489312831, -82606210548424879390169217, -6984963414431972003347406551951687935, -109110687852301656115645192848607902864427297823233 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
CROSSREFS
Main diagonal of A306629.
Sequence in context: A356178 A342578 A264674 * A140654 A229602 A080297
KEYWORD
sign
AUTHOR
Seiichi Manyama, Mar 02 2019
STATUS
approved

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Last modified November 30 11:57 EST 2023. Contains 367460 sequences. (Running on oeis4.)