Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = 4^(2*n*k) * Product_{a=1..n} Product_{b=1..k} (1 - sin(a*Pi/(2*n+1))^2 * sin(b*Pi/(2*k+1))^2).

A340428

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) = 4^(2*n*k) * Product_{a=1..n} Product_{b=1..k} (1 - sin(a*Pi/(2*n+1))^2 * sin(b*Pi/(2*k+1))^2).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =7a(5) =1a(6) =1a(7) =61a(8) =61a(9) =1a(10) =1a(11) =547a(12) =4961a(13) =547a(14) =1a(15) =1a(16) =4921a(17) =432461a(18) =432461a(19) =4921a(20) =1a(21) =1a(22) =44287a(23) =38484961a(24) =371647151a(25) =38484961a(26) =44287a(27) =1a(28) =1a(29) =398581

External references