login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A022250 Gaussian binomial coefficients [ n,10 ] for q = 8. 1

%I #14 Sep 08 2022 08:44:46

%S 1,1227133513,1338539252338766985,1440058191955372430686340745,

%T 1546628304496854696033468524851058313,

%U 1660730178183390221013476379650255525660841609,1783202253071230934395807391969095566387830751237232265

%N Gaussian binomial coefficients [ n,10 ] 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="/A022250/b022250.txt">Table of n, a(n) for n = 10..120</a>

%F a(n) = Product_{i=1..10} (8^(n-i+1)-1)/(8^i-1), by definition. - _Vincenzo Librandi_, Aug 04 2016

%t Table[QBinomial[n, 10, 8], {n, 10, 20}] (* _Vincenzo Librandi_, Aug 04 2016 *)

%o (Sage) [gaussian_binomial(n,10,8) for n in range(10,16)] # _Zerinvary Lajos_, May 27 2009

%o (Magma) r:=10; q:=8; [&*[(1-q^(n-i+1))/(1-q^i): i in [1..r]]: n in [r..20]]; // _Vincenzo Librandi_, Aug 04 2016

%K nonn

%O 10,2

%A _N. J. A. Sloane_.

%E Offset changed by _Vincenzo Librandi_, Aug 04 2016

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 23 15:29 EST 2024. Contains 370283 sequences. (Running on oeis4.)