a(n) = (1/2) * Sum_{|k|<=2*sqrt(p)} k^6*H(4*p-k^2) where H() is the Hurwitz class number and p is the n-th prime.

A297492

a(n) = (1/2) * Sum_{|k|<=2*sqrt(p)} k^6*H(4*p-k^2) where H() is the Hurwitz class number and p is the n-th prime.

Terms

    a(0) =33a(1) =308a(2) =2874a(3) =11528a(4) =72060a(5) =141218a(6) =414918a(7) =648260a(8) =1394328a(9) =3528690a(10) =4608800a(11) =9358298a(12) =14113470a(13) =17077148a(14) =24378288a(15) =39426858a(16) =60555180a(17) =69195410a(18) =100714868a(19) =127012680a(20) =141942878a(21) =194693840a(22) =237229188a(23) =313639470a(24) =442561238a(25) =520209690a(26) =562658408a(27) =655294428

External references