|
%I #14 Sep 08 2022 08:44:46
%S 1,37449,1246606473,40928737412745,1341480367403783817,
%T 43958970159454591899273,1440453028909548546592331401,
%U 47200787357710533846587480462985,1546675492323688689677277254864590473,50681462910057431534320730090844329858697
%N Gaussian binomial coefficients [ n,5 ] for q = 8.
%D F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 698.
%H Vincenzo Librandi, <a href="/A022245/b022245.txt">Table of n, a(n) for n = 5..200</a>
%F a(n) = Product_{i=1..5} (8^(n-i+1)-1)/(8^i-1), by definition. - _Vincenzo Librandi_, Aug 05 2016
%t Table[QBinomial[n, 5, 8], {n, 5, 20}] (* _Vincenzo Librandi_, Aug 05 2016 *)
%o (Sage) [gaussian_binomial(n,5,8) for n in range(5,15)] # _Zerinvary Lajos_, May 27 2009
%o (Magma) r:=5; q:=8; [&*[(1-q^(n-i+1))/(1-q^i): i in [1..r]]: n in [r..20]]; // _Vincenzo Librandi_, Aug 05 2016
%K nonn
%O 5,2
%A _N. J. A. Sloane_.
%E Offset changed by _Vincenzo Librandi_, Aug 05 2016
|
