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

%I #10 Aug 21 2020 09:12:54

%S 1,2048,832040,193710244,34673583028,5372862566400,763562937059280,

%T 102703589621825280,13319075453502743045,1684658996331320739600,

%U 209381188023138094045641,25698882980999585848747760

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

%H 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 (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 Cf. A013698 (q=1), A013699 (q=2), A013700 (q=3), A013701 (q=4).

%K nonn,easy

%O 1,2

%A Joachim.Rosenthal(AT)nd.edu (Joachim Rosenthal)

%E Edited by _Ralf Stephan_, May 13 2003

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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)