id:A160457 - OEIS Search Results

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Competition number of the complete bipartite graph K_n,n.

+0
2

2, 1, 2, 5, 10, 17, 26, 37, 50, 65, 82, 101, 122, 145, 170, 197, 226, 257, 290, 325, 362, 401, 442, 485, 530, 577 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`Formula given on p. 3 of Sano.`
	LINKS	`Yoshio Sano, The competition numbers of regular polyhedra, May 12, 2009.`
	FORMULA	`a(n) = n^2 - 2*n + 2, for nonnegative n.`
	EXAMPLE	`a(11) = 11^2 - 2*11 + 2 = 101.`
	CROSSREFS	`Cf. A160450.` `Adjacent sequences: A160454 A160455 A160456 this_sequence A160458 A160459 A160460` `Sequence in context: A129394 A049901 A117715 this_sequence A107087 A115141 A031148`
	KEYWORD	`easy,nonn,more`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), May 14 2009`

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.