A027607 - OEIS

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A027607

Number of non-well-founded sets or hypersets (sets that can contain themselves) of level n (representable by graphs with n nodes).

2, 2, 16, 504, 52944 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A012520 A012323 A009804 * A100680 A002567 A206095` `Adjacent sequences: A027604 A027605 A027606 * A027608 A027609 A027610`
	KEYWORD	`nonn`
	AUTHOR	`Elaine Milito (emilito(AT)bird.wcupa.edu)`

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Last modified February 16 08:49 EST 2012. Contains 205893 sequences.