id:A112986 - OEIS Search Results

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Crossing number of K_{4,n} on the real projective plane,

+0
2

0, 0, 0, 3, 5, 7, 18, 22, 26, 45, 51, 57, 84, 92, 100, 135, 145, 155, 198, 210, 222, 273, 287, 301, 360, 376, 392, 459, 477, 495, 570, 590, 610, 693, 715, 737, 828, 852, 876, 975, 1001, 1027, 1134, 1162, 1190, 1305, 1335, 1365, 1488, 1520, 1552, 1683, 1717, 1751, 1890 (list; graph; listen)

	OFFSET	`0,4`
	REFERENCES	`P. T. Ho, The crossing number of K_{4,n} on the real projective plane, Discr. Math., 304 (2005). 23-33.`
	FORMULA	`Floor(n/3)(2n-3(1+floor(n/3))).`
	CROSSREFS	`Cf. A008724.` `Sequence in context: A038893 A075227 A064080 this_sequence A088732 A052333 A074106` `Adjacent sequences: A112983 A112984 A112985 this_sequence A112987 A112988 A112989`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Dec 24 2005`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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