

A015353


Gaussian binomial coefficient [ n,7 ] for q = 11.


2



1, 17863240, 351004879413684, 6834956902420811530200, 133203071884610819994409432410, 2595734922068255016665440444288632600, 50583558850117484638411502782868591609069220
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OFFSET

7,2


REFERENCES

J. Goldman and G.C. Rota, The number of subspaces of a vector space, pp. 7583 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), 325351.


LINKS

Vincenzo Librandi, Table of n, a(n) for n = 7..140


MATHEMATICA

Table[QBinomial[n, 7, 11], {n, 7, 16}] (* Vincenzo Librandi, Nov 02 2012 *)


PROG

(Sage) [gaussian_binomial(n, 7, 11) for n in range(7, 14)] # Zerinvary Lajos, May 27 2009
(MAGMA) r:=7; q:=11; [&*[(1q^(ni+1))/(1q^i): i in [1..r]]: n in [r..15]]; // Vincenzo Librandi, Nov 02 2012


CROSSREFS

Sequence in context: A250981 A159192 A154875 * A083619 A257550 A282670
Adjacent sequences: A015350 A015351 A015352 * A015354 A015355 A015356


KEYWORD

sign,easy


AUTHOR

Olivier Gérard, Dec 11 1999


STATUS

approved



