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A331558
E.g.f.: log(1 - x - log(1 - x)).
1
0, 1, 2, 3, 4, 20, 216, 1862, 13840, 104904, 949200, 10517232, 130307904, 1694503824, 23063845728, 335427395760, 5269616092416, 88835797577472, 1587229554415104, 29838489410093184, 589394278657267200, 12235109311726689024, 266570965998899071488
OFFSET
1,3
COMMENTS
Logarithmic transform applied twice to A000166.
MATHEMATICA
nmax = 23; CoefficientList[Series[Log[1 - x - Log[1 - x]], {x, 0, nmax}], x] Range[0, nmax]! // Rest
CROSSREFS
KEYWORD
nonn
AUTHOR
Ilya Gutkovskiy, Jan 20 2020
STATUS
approved