id:A053465 - OEIS Search Results

Search: id:A053465

Displaying 1-1 of 1 results found.

page 1

Number of connected 2-multigraphs on n nodes.

+0
2

1, 2, 7, 53, 712, 24576, 2275616, 589543159, 420188096140, 819411181635025, 4381819315336997184, 64583749250393921183423, 2638507778912832094660037006, 300397569392490080058575760090548 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`A 2-multigraph is similar to an ordinary graph except there are 0, 1 or 2 edges between any two nodes (self-loops are not allowed).`
	CROSSREFS	`Cf. A004102.` `Sequence in context: A106899 A119772 A104084 this_sequence A024027 A079410 A002658` `Adjacent sequences: A053462 A053463 A053464 this_sequence A053466 A053467 A053468`
	KEYWORD	`easy,nonn`
	AUTHOR	`Vladeta Jovovic (vladeta(AT)eunet.rs), Jan 13 2000`

page 1

Search completed in 0.002 seconds

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research