A006108 Gaussian binomial coefficient [ 2n,n ] for q=4. (Formerly M4035)

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

Table of n, a(n) for n=0..8.

M. Sved, Gaussians and binomials, Ars. Combinatoria, 17A (1984), 325-351. (Annotated scanned copy)

Crossrefs

Sequence in context: A225578 A172014 A172855 * A061456 A218994 A006430

Adjacent sequences: A006105 A006106 A006107 * A006109 A006110 A006111

Keyword

nonn

Author

N. J. A. Sloane.

Status

approved