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A022251 Gaussian binomial coefficients [ n,11 ] for q = 8. 1
1, 9817068105, 85666512159498155145, 737309794366817196670904616585, 6334989535956426629319904274460839466633, 54418806485048320298126020637699477339315297310345, 467455771483523568551302853258472608792870981791648312186505 (list; graph; refs; listen; history; text; internal format)
OFFSET

11,2

REFERENCES

F. J. MacWilliams and N. J. A. Sloane, The Theory of Error-Correcting Codes, Elsevier-North Holland, 1978, p. 698.

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 11..100

FORMULA

a(n) = Product_{i=1..11} (8^(n-i+1)-1)/(8^i-1), by definition. - Vincenzo Librandi, Aug 04 2016

MATHEMATICA

Table[QBinomial[n, 11, 8], {n, 11, 20}] (* Vincenzo Librandi, Aug 04 2016 *)

PROG

(Sage) [gaussian_binomial(n, 11, 8) for n in xrange(11, 18)] # Zerinvary Lajos, May 28 2009

(MAGMA) r:=11; q:=8; [&*[(1-q^(n-i+1))/(1-q^i): i in [1..r]]: n in [r..20]]; // Vincenzo Librandi, Aug 04 2016

CROSSREFS

Sequence in context: A225143 A130428 A256622 * A015385 A027570 A202362

Adjacent sequences:  A022248 A022249 A022250 * A022252 A022253 A022254

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

EXTENSIONS

Offset changed by Vincenzo Librandi, Aug 04 2016

STATUS

approved

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Last modified March 26 00:26 EDT 2019. Contains 321479 sequences. (Running on oeis4.)