id:A137975 - OEIS Search Results

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Row sums of A139621, number of connected directed multigraphs with loops and no vertex of degree 0, with n arcs.

+0
2

1, 2, 8, 32, 167, 928, 5924, 40211, 293370, 2255406, 18201706, 153141115, 1339341815, 12124729941, 113363309476, 1092332531380 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Inverse Euler transform of A052171.`
	CROSSREFS	`Cf. A052171, A139627.` `Sequence in context: A030905 A030872 A030835 this_sequence A051636 A081561 A009753` `Adjacent sequences: A137972 A137973 A137974 this_sequence A137976 A137977 A137978`
	KEYWORD	`more,nonn`
	AUTHOR	`Benoit Jubin (benoit_jubin(AT)yahoo.fr), May 01 2008, May 10 2008`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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