OFFSET
0,2
LINKS
R. J. Mathar, Maple program computing A328921 - A328924.
P. J. Rossky and M. Karplus, The enumeration of Goldstone diagrams in many-body perturbation theory, J. Chem. Phys. 64 (1976) 1569, C(n,k)
EXAMPLE
1;
2 1;
20 8 1;
592 240 36 2;
33888 14208 2400 192 6;
3134208 1355520 248640 24000 1200 24;
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
R. J. Mathar, Oct 31 2019
STATUS
approved