E.g.f.: S(x,k) = Integral C(x,k)*D(x,k)^2 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.
A322230
E.g.f.: S(x,k) = Integral C(x,k)*D(x,k)^2 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) =1a(2) =2a(3) =1a(4) =28a(5) =16a(6) =1a(7) =270a(8) =1032a(9) =272a(10) =1a(11) =2456a(12) =36096a(13) =52736a(14) =7936a(15) =1a(16) =22138a(17) =1035088a(18) =4766048a(19) =3646208a(20) =353792a(21) =1a(22) =199284a(23) =27426960a(24) =319830400a(25) =704357760a(26) =330545664a(27) =22368256a(28) =1a(29) =1793606
External references
- oeis: A322230