id:A157051 - OEIS Search Results

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Number of connected unlabeled graphs on n nodes, that are no bipartite

+0
2

1, 0, 0, 1, 3, 16, 95, 809, 10935, 260350, 11712539, 1006674967, 164059617696, 50335905627489, 29003487431654737, 31397381142185989848, 63969560113210957966315, 245871831682083553779103249 (list; graph; listen)

	OFFSET	`0,5`
	COMMENT	`Inverse Euler transform of A157016.`
	FORMULA	`a(n) = A001349(n) - A005142(n)`
	CROSSREFS	`Sequence in context: A114174 A006347 A000270 this_sequence A000271 A157016 A074553` `Adjacent sequences: A157048 A157049 A157050 this_sequence A157052 A157053 A157054`
	KEYWORD	`nonn`
	AUTHOR	`Max Alekseyev (maxale(AT)gmail.com), Feb 22 2009`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

AT&T Labs Research