OFFSET
0,3
LINKS
John Engbers, David Galvin, Clifford Smyth, Restricted Stirling and Lah numbers and their inverses, arXiv:1610.05803 [math.CO], 2016.
FORMULA
a(n) = (-1)^(n-1) * n! * [x^n]g(x) where g(x) is the series reversion of 1+x+x^2/2!+x^3/3!+x^4/4+x^5/5!+x^6/6! [see p. 21 of Engbers, Galvin, and Smyth]. - Sean A. Irvine, Aug 23 2019
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Sep 22 2017
EXTENSIONS
More terms from Sean A. Irvine, Aug 23 2019
STATUS
approved