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A306578 a(n) = n! * [x^n] A_n(x) with A_n(x) = exp(x*A_n(((x+1)^n-1)/n)) if n > 0 and A_0(x) = exp(x). 2
1, 1, 3, 22, 329, 9216, 443227, 33690574, 3815631297, 615764308672, 136379590946891, 40153740607226214, 15306924742075555657, 7392759013812560317840, 4441824191762733091989051, 3268365147290283563408293846, 2905065653907985007147484366113 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..100

FORMULA

a(n) = A143632(n,n).

CROSSREFS

Main diagonal of A143632.

Sequence in context: A229770 A102223 A189897 * A046947 A002485 A193193

Adjacent sequences:  A306575 A306576 A306577 * A306579 A306580 A306581

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Feb 24 2019

STATUS

approved

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Last modified January 26 07:21 EST 2022. Contains 350573 sequences. (Running on oeis4.)