a(n) = (2*n)!*Pi^(-2*n)*PolyLog(2*n, 1)*Clausen(2*n - 1)/2, where Clausen(n) = A160014(n, 1).
A345365
a(n) = (2*n)!*Pi^(-2*n)*PolyLog(2*n, 1)*Clausen(2*n - 1)/2, where Clausen(n) = A160014(n, 1).
Terms
- a(0) =1a(1) =4a(2) =16a(3) =64a(4) =1280a(5) =707584a(6) =28672a(7) =59260928a(8) =2874867712a(9) =45773225984a(10) =896021823488
External references
- oeis: A345365