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A006108
Gaussian binomial coefficient [ 2n,n ] for q=4.
(Formerly M4035)
0
1, 5, 357, 376805, 6221613541, 1634141006295525, 6857430062381149327845, 460250514083576206796548772325, 494205307747746503853075131001823990245
OFFSET
0,2
REFERENCES
J. Goldman and G.-C. Rota, The number of subspaces of a vector space, pp. 75-83 of W. T. Tutte, editor, Recent Progress in Combinatorics. Academic Press, NY, 1969.
I. P. Goulden and D. M. Jackson, Combinatorial Enumeration. Wiley, NY, 1983, p. 99.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351.
LINKS
M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351. (Annotated scanned copy)
CROSSREFS
Sequence in context: A172014 A172855 A376867 * A061456 A218994 A006430
KEYWORD
nonn
AUTHOR
STATUS
approved