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.

A013702 Degree of variety K_{2,n}^5.

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%I A013702 #10 Aug 21 2020 09:12:54
%S A013702 1,2048,832040,193710244,34673583028,5372862566400,763562937059280,
%T A013702 102703589621825280,13319075453502743045,1684658996331320739600,
%U A013702 209381188023138094045641,25698882980999585848747760
%N A013702 Degree of variety K_{2,n}^5.
%H A013702 M. S. Ravi et al., <a href="https://doi.org/10.1137/S036301299325270X">Dynamic pole assignment and Schubert calculus</a>, SIAM J. Control Optimization, 34 (1996), 813-832, esp. p. 825.
%o A013702 (PARI) K(n,q=5)=(2*n+n*q+2*q)!*sum(j=0,q,((q-2*j)*(n+2)+1)/(n+j*(n+2))!/(n+1+(q-j)*(n+2))!)
%Y A013702 Cf. A013698 (q=1), A013699 (q=2), A013700 (q=3), A013701 (q=4).
%K A013702 nonn,easy
%O A013702 1,2
%A A013702 Joachim.Rosenthal(AT)nd.edu (Joachim Rosenthal)
%E A013702 Edited by _Ralf Stephan_, May 13 2003