OFFSET
2,3
LINKS
Keith M. Briggs, Combinatorial Graph Theory
Eric Weisstein's World of Mathematics, Clique Number
FORMULA
1+Sum_{k>=2} T(n,k) = A000088(n). - R. J. Mathar, May 06 2018
EXAMPLE
Table: number of graphs on n nodes with clique number k
n = .1...2...3...4....5....6.....7......8........9.......10.
k ----------------------------------------------------------
2....0...1...2...6...13...37...106....409.....1896....12171 = A052450
3....0...0...1...3...15...82...578...6021...101267..2882460 = A052451
4....0...0...0...1...4....30...301...4985...142276..7269487 = A052452
5....0...0...0...0...1....5.....51....842....27107..1724440 = A077392
6....0...0...0...0...0....1......6.....80.....1995...112225 = A077393
7....0...0...0...0...0....0......1......7......117.....4210 = A077394
8....0...0...0...0...0....0......0......1........8......164 = A205577
9....0...0...0...0...0....0......0......0........1........9 = A205578
10...0...0...0...0...0....0......0......0........0........1.
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
N. J. A. Sloane, based on email from Keith Briggs, Apr 03 2006
STATUS
approved