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.
%I A020075 #15 Sep 08 2022 08:44:44 %S A020075 1,0,1,3,12,58,332,2232,17225,150103,1458149,15623031,183012659, %T A020075 2326875239,31911431853,469553925838,7378704548888,123329776031414, %U A020075 2184698889699346,40885079221516335,806020133224179176 %N A020075 a(n) = floor( Gamma(n+5/7)/Gamma(5/7) ). %H A020075 G. C. Greubel, <a href="/A020075/b020075.txt">Table of n, a(n) for n = 0..445</a> %p A020075 Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end; %p A020075 seq(floor(pochhammer(5/7,n)), n = 0..25); # _G. C. Greubel_, Nov 17 2019 %t A020075 Floor[Pochhammer[5/7, Range[0, 25]]] (* _G. C. Greubel_, Nov 17 2019 *) %o A020075 (PARI) vector(26, n, my(x=5/7); gamma(n-1+x)\gamma(x) ) \\ _G. C. Greubel_, Nov 17 2019 %o A020075 (Magma) [Floor(Gamma(n+5/7)/Gamma(5/7)): n in [0..25]]; // _G. C. Greubel_, Nov 17 2019 %o A020075 (Sage) [floor(rising_factorial(5/7, n)) for n in (0..25)] # _G. C. Greubel_, Nov 17 2019 %Y A020075 Cf. A220606. %Y A020075 Cf. A020074, A020076, A020077, A020078, A020079. %K A020075 nonn %O A020075 0,4 %A A020075 _Simon Plouffe_