cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A020059 a(n) = floor(Gamma(n+1/11) / Gamma(1/11)).

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%I A020059 #22 Sep 08 2022 08:44:44
%S A020059 1,0,0,0,0,2,13,81,576,4664,42405,427908,4745899,57382239,751185683,
%T A020059 10584889174,159735600269,2570291022522,43928610203108,
%U A020059 794708493674422,15171707606511701,304813398276280545,6428791672736098775
%N A020059 a(n) = floor(Gamma(n+1/11) / Gamma(1/11)).
%H A020059 Robert Israel, <a href="/A020059/b020059.txt">Table of n, a(n) for n = 0..451</a>
%F A020059 a(n) ~ n^(n - 9/22)*e^(-n)*sqrt(2*Pi)/Gamma(1/11). - _Robert Israel_, Mar 04 2019
%p A020059 Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end;
%t A020059 Table[Floor[Pochhammer[1/11,n]], {n,0,30}] (* _G. C. Greubel_, Mar 04 2019 *)
%o A020059 (PARI) a(n) = floor(gamma(n+1/11)/gamma(1/11)) \\ _Felix Fröhlich_, Mar 04 2019
%o A020059 (Magma) [Floor(Gamma(n+1/11)/Gamma(1/11)): n in [0..30]]; // _G. C. Greubel_, Mar 04 2019
%o A020059 (Sage) [floor(gamma(n+1/11)/gamma(1/11)) for n in (0..30)] # _G. C. Greubel_, Mar 04 2019
%K A020059 nonn
%O A020059 0,6
%A A020059 _Simon Plouffe_