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 A020065 #22 Sep 08 2022 08:44:44 %S A020065 1,0,1,3,14,69,400,2714,21115,185345,1812263,19532170,230045568, %T A020065 2939471157,40499380396,598490843642,9442855533026,158430131720783, %U A020065 2816535675036146,52888281009012092,1046012668844905826 %N A020065 Integer part of Gamma(n+7/9)/Gamma(7/9). %H A020065 G. C. Greubel, <a href="/A020065/b020065.txt">Table of n, a(n) for n = 0..445</a> %p A020065 Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end; %p A020065 seq(trunc(pochhammer(7/9,n)), n = 0..20); # _G. C. Greubel_, Nov 13 2019 %t A020065 IntegerPart[Pochhammer[7/9, Range[0, 20]]] (* _G. C. Greubel_, Nov 13 2019 *) %o A020065 (PARI) P(n,x) = gamma(x+n)/gamma(x); %o A020065 vector(21, n, truncate(P(n-1, 7/9)) ) \\ _G. C. Greubel_, Nov 13 2019 %o A020065 (Magma) [Truncate(Gamma(n+7/9)/Gamma(7/9)): n in [0..20]]; // _G. C. Greubel_, Nov 13 2019 %o A020065 (Sage) [int(rising_factorial(7/9, n)) for n in (0..20)] # _G. C. Greubel_, Nov 13 2019 %Y A020065 Cf. A020064, A020066, A020067, A020068, A020069. %Y A020065 Cf. A020020, A020110. %K A020065 nonn %O A020065 0,4 %A A020065 _Simon Plouffe_