OFFSET
1,4
LINKS
M. Aldi and S. Bevins, L_oo-algebras and hypergraphs, arXiv:2212.13608 [math.CO], 2022. See page 9.
M. Mainkar, Graphs and two step nilpotent Lie algebras, arXiv:1310.3414 [math.DG], 2013. See page 1.
Eric Weisstein's World of Mathematics, Complete Graph.
EXAMPLE
Triangle begins:
k= 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
n=1: 1 1
n=2: 1 2 2 1
n=3: 1 3 8 12 8 3 1
n=4: 1 4 20 56 84 90 84 56 20 4 1
n=5: 1 5 40 176 440 835 1423 1980 1980 1423 835 440 176 40 5 1
...
PROG
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Samuel J. Bevins, Feb 14 2023
STATUS
approved