id:A059735 - OEIS Search Results

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Number of complementary pairs of tournaments on n nodes.

+0
1

1, 1, 2, 3, 10, 34, 272, 3528, 97144, 4870920, 452016608, 77054901728, 24271105072736, 14200712295904928, 15510501136026729216, 31765207922047709885696, 122456389219489134370435456 (list; graph; listen)

	OFFSET	`1,3`
	LINKS	`V. A. Liskovets, Some easily derivable sequences, J. Integer Sequences, 3 (2000), #00.2.2.`
	FORMULA	`Average of A000568 and A002785.`
	CROSSREFS	`Sequence in context: A066706 A080022 A057146 this_sequence A134959 A056607 A060604` `Adjacent sequences: A059732 A059733 A059734 this_sequence A059736 A059737 A059738`
	KEYWORD	`nonn,easy`
	AUTHOR	`njas, Feb 09 2001`
	EXTENSIONS	`More terms from Pab Ter (pabrlos2(AT)yahoo.com), Nov 06 2005`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

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