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.

A076111 Product of terms in n-th row of A076110.

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%I A076111 #17 Mar 30 2023 12:42:33
%S A076111 1,2,15,280,9945,576576,49579075,5925744000,939536222625,
%T A076111 190787784140800,48279601331512551,14894665739501184000,
%U A076111 5502449072258318805625,2397950328737212204032000
%N A076111 Product of terms in n-th row of A076110.
%H A076111 G. C. Greubel, <a href="/A076111/b076111.txt">Table of n, a(n) for n = 0..230</a>
%F A076111 a(n) = Prod_{k=1..n} (1+n*k). - _Yalcin Aktar_, Jul 14 2009
%F A076111 a(n) = n^n * Pochhammer(n, 1 + 1/n). - _G. C. Greubel_, Mar 04 2020
%F A076111 a(n) = A092985(n)*(n^2+1). - _R. J. Mathar_, Mar 30 2023
%p A076111 seq( mul(j*n+1, j=1..n), n=0..15); # _G. C. Greubel_, Mar 04 2020
%t A076111 Table[Product[j*n+1, {j,n}], {n,0,15}] (* _G. C. Greubel_, Mar 04 2020 *)
%o A076111 (Maxima) A076111(n):=prod(1+n*k,k,1,n)$
%o A076111 makelist(A076111(n),n,0,30); /* _Martin Ettl_, Nov 07 2012 */
%o A076111 (PARI) vector(16, n, my(m=n-1); prod(j=1,m, j*m+1)) \\ _G. C. Greubel_, Mar 04 2020
%o A076111 (Magma) [1] cat [&*[j*n+1: j in [1..n]]: n in [1..15]]; // _G. C. Greubel_, Mar 04 2020
%o A076111 (Sage) [product(j*n+1 for j in (1..n)) for n in (0..15)] # _G. C. Greubel_, Mar 04 2020
%o A076111 (GAP) List([0..15], n-> Product([1..n], j-> j*n+1) ); # _G. C. Greubel_, Mar 04 2020
%Y A076111 Cf. A002522, A064808, A076110.
%K A076111 easy,nonn
%O A076111 0,2
%A A076111 _Amarnath Murthy_, Oct 09 2002
%E A076111 More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 20 2003