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.

A020063 Integer part of Gamma(n+1/10)/Gamma(1/10).

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%I A020063 #20 Sep 08 2022 08:44:44
%S A020063 1,0,0,0,0,2,14,91,648,5252,47801,482796,5359035,64844332,849460756,
%T A020063 11977396665,180858689641,2911824903229,49792205845228,
%U A020063 901238925798638,17213663482753993,345994636003355264,7300486819670796087
%N A020063 Integer part of Gamma(n+1/10)/Gamma(1/10).
%H A020063 G. C. Greubel, <a href="/A020063/b020063.txt">Table of n, a(n) for n = 0..445</a>
%p A020063 Digits := 64:f := proc(n,x) trunc(GAMMA(n+x)/GAMMA(x)); end;
%p A020063 seq(trunc(pochhammer(1/10,n)), n = 0..25); # _G. C. Greubel_, Nov 13 2019
%t A020063 IntegerPart[Pochhammer[1/10, Range[0, 25]]] (* _G. C. Greubel_, Nov 13 2019 *)
%o A020063 (PARI) P(n,x) = gamma(x+n)/gamma(x);
%o A020063 vector(26, n, truncate(P(n-1, 1/10)) ) \\ _G. C. Greubel_, Nov 13 2019
%o A020063 (Magma) [Truncate(Gamma(n+1/10)/Gamma(1/10)): n in [0..25]]; // _G. C. Greubel_, Nov 13 2019
%o A020063 (Sage) [int(rising_factorial(1/10, n)) for n in (0..25)] # _G. C. Greubel_, Nov 13 2019
%Y A020063 Cf. A020018, A020108.
%K A020063 nonn
%O A020063 0,6
%A A020063 _Simon Plouffe_