OFFSET
0,4
EXAMPLE
A275754(n)/n! ~ 1 + 1/n^2 + 6/n^3 + 39/n^4 + 295/n^5 + 2601/n^6 + ...
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Sep 03 2017
EXTENSIONS
More terms from Vaclav Kotesovec, Dec 28 2020
STATUS
approved