Triangle T(n, m) appearing in the expansion of Jacobi's elliptic function cn(u, k) divided by cos(v) in terms of the Jacobi nome q and even powers of 2*cos(v) with v = u/((2/Pi)*K(k)).

A275791

Triangle T(n, m) appearing in the expansion of Jacobi's elliptic function cn(u, k) divided by cos(v) in terms of the Jacobi nome q and even powers of 2*cos(v) with v = u/((2/Pi)*K(k)).

Terms

    a(0) =1a(1) =-4a(2) =1a(3) =4a(4) =-5a(5) =1a(6) =0a(7) =12a(8) =-7a(9) =1a(10) =4a(11) =-21a(12) =25a(13) =-9a(14) =1a(15) =-8a(16) =30a(17) =-63a(18) =42a(19) =-11a(20) =1a(21) =0a(22) =-44a(23) =131a(24) =-138a(25) =63a(26) =-13a(27) =1a(28) =0a(29) =72

External references