id:A011827 - OEIS Search Results

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f-vectors for simplicial complexes of dimension at most 2 on at most n-1 vertices.

+0
3

2, 3, 5, 10, 25, 70, 190, 471, 1060, 2189, 4203, 7592, 13027, 21400, 33868, 51901, 77334, 112423, 159905, 223062, 305789, 412666, 549034, 721075, 935896, 1201617, 1527463, 1923860, 2402535, 2976620, 3660760, 4471225, 5426026 (list; graph; listen)

	OFFSET	`1,1`
	FORMULA	`a(n+1)= (2n^6 -6n^5 +5n^4 +60n^3 -7n^2 +306n +720)/360 fits terms up to 5426026 (frank.ellermann(AT)t-online.de).`
	CROSSREFS	`Cf. A011826.` `Sequence in context: A001200 A050837 A107578 this_sequence A135961 A011828 A011829` `Adjacent sequences: A011824 A011825 A011826 this_sequence A011828 A011829 A011830`
	KEYWORD	`nonn`
	AUTHOR	`Svante Linusson (linusson(AT)math.kth.se)`

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Last modified September 6 09:40 EDT 2008. Contains 143480 sequences.

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