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A293989
a(0) = a(1) = 1 and a(n) = n! * [x^n] exp((1/(1-x)^(n-1) - 1)/(n-1)) for n > 1.
2
1, 1, 3, 22, 273, 4956, 122215, 3909228, 156878337, 7694191648, 451507161771, 31157580173160, 2493155105671153, 228656777880920832, 23802477358410219183, 2788676280294791340496, 364998736798930722881025, 53020798447231578364796928
OFFSET
0,3
LINKS
CROSSREFS
Main diagonal of A291709.
Sequence in context: A196022 A319147 A074706 * A352448 A141360 A162659
KEYWORD
nonn
AUTHOR
Seiichi Manyama, Oct 21 2017
STATUS
approved