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 A020062 #19 Sep 08 2022 08:44:44 %S A020062 1,0,0,0,2,12,67,425,3102,25750,239483,2466677,27873456,342843514, %T A020062 4559818740,65205407994,997642742321,16261576699844,281325276907303, %U A020062 5148252567403658,99361274550890613,2017033873383079453 %N A020062 Integer part of Gamma(n+3/10)/Gamma(3/10). %H A020062 G. C. Greubel, <a href="/A020062/b020062.txt">Table of n, a(n) for n = 0..445</a> %p A020062 Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end; %p A020062 seq(trunc(pochhammer(3/10,n)), n = 0..20); # _G. C. Greubel_, Nov 13 2019 %t A020062 IntegerPart[Pochhammer[3/10, Range[0, 20]]] (* _G. C. Greubel_, Nov 13 2019 *) %o A020062 (PARI) P(n,x) = gamma(x+n)/gamma(x); %o A020062 vector(21, n, truncate(P(n-1, 3/10)) ) \\ _G. C. Greubel_, Nov 13 2019 %o A020062 (Magma) [Truncate(Gamma(n+3/10)/Gamma(3/10)): n in [0..20]]; // _G. C. Greubel_, Nov 13 2019 %o A020062 (Sage) [int(rising_factorial(3/10, n)) for n in (0..20)] # _G. C. Greubel_, Nov 13 2019 %Y A020062 Cf. A020017, A020107. %K A020062 nonn %O A020062 0,5 %A A020062 _Simon Plouffe_