A249696 - OEIS

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A249696

Number of distinct permanental polynomials among all simple undirected graphs on n nodes.

1, 1, 2, 4, 11, 34, 153, 1035, 12247, 274153, 11999059, 1018915198 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	LINKS	`Table of n, a(n) for n=0..11.` `Shunyi Liu, Jinjun Ren, Enumeration of copermanental graphs, arXiv:1411.0184 [math.CO], (1-November-2014)`
	CROSSREFS	`Cf. A082104 (distinct characteristic polynomials).` `Sequence in context: A238425 A071115 A217043 * A156809 A215620 A076317` `Adjacent sequences: A249693 A249694 A249695 * A249697 A249698 A249699`
	KEYWORD	`nonn,hard,more`
	AUTHOR	`Joerg Arndt, Nov 04 2014`
	STATUS	`approved`

Last modified April 18 07:54 EDT 2021. Contains 343084 sequences. (Running on oeis4.)