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A011829 Number of f-vectors for simplicial complexes of dimension at most 4 on at most n-1 vertices. 1
2, 3, 5, 10, 26, 96, 552, 4908, 48230, 398663, 2631241, 14192097, 64663638, 256174350, 902972232, 2883651027, 8463753978, 23094833355, 59133598085, 143164108028, 329810868994, 726833391860, 1539215246944, 3144340388550 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Apparently a polynomial (n^15)/32659200 + .... [Frank Ellermann (hmdmhdfmhdjmzdtjmzdtzktdkztdjz(AT)gmail.com)]

REFERENCES

D. E. Knuth, The Art of Computer Programming, vol. 4A, Combinatorial Algorithms, Section 7.2.1.3 (p. 743).

S. Linusson, The number of M-sequences and f-vectors, Combinatorica, 19 (1999), 255-266.

CROSSREFS

Cf. A011828, A011830-A011833, A007695.

Sequence in context: A135961 A173253 A011828 * A011830 A011831 A011832

Adjacent sequences:  A011826 A011827 A011828 * A011830 A011831 A011832

KEYWORD

nonn

AUTHOR

Svante Linusson (linusson(AT)math.kth.se)

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Last modified February 15 05:45 EST 2012. Contains 205694 sequences.