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 A020085 #16 Sep 08 2022 08:44:44 %S A020085 1,0,0,0,1,7,36,228,1647,13507,124268,1267542,14196477,173197024, %T A020085 2286200718,32464050199,493453563029,7993947721071,137495900802423, %U A020085 2502425394604113,48046567576398986,970540665043259525 %N A020085 a(n) = floor( Gamma(n + 1/5)/Gamma(1/5) ). %H A020085 G. C. Greubel, <a href="/A020085/b020085.txt">Table of n, a(n) for n = 0..450</a> %p A020085 Digits:= 64: x:=1/5: f:= proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end; %p A020085 seq(floor(pochhammer(1/5,n)), n = 0..25); # _G. C. Greubel_, Nov 17 2019 %t A020085 Floor[Pochhammer[1/5, Range[0, 25]]] (* _G. C. Greubel_, Nov 19 2018 *) %o A020085 (PARI) vector(26, n, my(x=1/5); gamma(n-1+x)\gamma(x) ) \\ _G. C. Greubel_, Nov 19 2018 %o A020085 (Magma) [Truncate(Gamma(n + 1/5)/Gamma(1/5)): n in [0..30]]; // _G. C. Greubel_, Nov 19 2018 %o A020085 (Sage) [int(gamma(n + 1/5)/gamma(1/5)) for n in range(30)] # _G. C. Greubel_, Nov 19 2018 %Y A020085 Cf. A020040, A020130. %Y A020085 Cf. A020082, A020083, A020084. %K A020085 nonn %O A020085 0,6 %A A020085 _Simon Plouffe_