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A015294 Gaussian binomial coefficient [ n,4 ] for q=-8. 2
1, 3641, 15150201, 61934287481, 253744775809657, 1039306892330748537, 4257017266254230145657, 17436734410124346225937017, 71420868399845502303592335993, 292539874786707389459461268654713 (list; graph; refs; listen; history; text; internal format)
OFFSET

4,2

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.

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

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 4..200

MATHEMATICA

Table[QBinomial[n, 4, -8], {n, 4, 20}] (* Vincenzo Librandi, Oct 28 2012 *)

PROG

(Sage) [gaussian_binomial(n, 4, -8) for n in xrange(4, 14)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 27 2009]

CROSSREFS

Sequence in context: A206836 A206898 A207288 * A186870 A185613 A212852

Adjacent sequences:  A015291 A015292 A015293 * A015295 A015296 A015297

KEYWORD

nonn,easy

AUTHOR

Olivier Gérard

STATUS

approved

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Last modified June 19 07:51 EDT 2013. Contains 226399 sequences.