id:A011819 - OEIS Search Results

Search: id:A011819

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M-sequences m_0,m_1,m_2,m_3 with m_1 < n.

+0
6

2, 5, 16, 52, 152, 392, 904, 1899, 3694, 6743, 11672, 19318, 30772, 47426, 71024, 103717, 148122, 207385, 285248, 386120, 515152, 678316, 882488, 1135535, 1446406, 1825227, 2283400, 2833706, 3490412, 4269382, 5188192, 6266249 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`S. Linusson, The number of M-sequences and f-vectors, Combinatorica, 19 (1999), 255-266.`
	FORMULA	`a(n)= ( 2n^6 +15n^5 +50n^4 +165n^3 +308n^2 +540n +720 )/360, (frank.ellermann(AT)t-online.de).`
	CROSSREFS	`Cf. A011820 ... A011825, A011827.` `Sequence in context: A148388 A148389 A108529 this_sequence A148390 A148391 A148392` `Adjacent sequences: A011816 A011817 A011818 this_sequence A011820 A011821 A011822`
	KEYWORD	`nonn`
	AUTHOR	`Svante Linusson (linusson(AT)math.kth.se)`

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.

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