E.g.f.: D(x,k) = 1 + k^2 * Integral S(x,k)*C(x,k)*D(x,k) dx, such that C(x,k)^2 - S(x,k)^2 = 1, and D(x,k)^2 - k^2*S(x,k)^2 = 1, as a triangle of coefficients read by rows.

A322232

E.g.f.: D(x,k) = 1 + k^2 * Integral S(x,k)*C(x,k)*D(x,k) dx, such that C(x,k)^2 - S(x,k)^2 = 1, and D(x,k)^2 - k^2*S(x,k)^2 = 1, as a triangle of coefficients read by rows.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =0a(4) =4a(5) =5a(6) =0a(7) =16a(8) =148a(9) =61a(10) =0a(11) =64a(12) =2832a(13) =6744a(14) =1385a(15) =0a(16) =256a(17) =47936a(18) =383856a(19) =410456a(20) =50521a(21) =0a(22) =1024a(23) =780544a(24) =17142784a(25) =54480944a(26) =32947964a(27) =2702765a(28) =0a(29) =4096

External references