Consider the e.g.f. S(x,y) = Sum_{n>=0} Sum_{k=0..n} T(n,k) * x^(2*n-2*k+1) * y^(2*k) / ((2*n-2*k+1)!*(2*k)!) and related functions C(x,y) and D(x,y), as defined in the Formula section. Sequence gives the triangular array of coefficients T(n,k) (n>=0, 0<=k<=n) of S(x,y).
A326800
Consider the e.g.f. S(x,y) = Sum_{n>=0} Sum_{k=0..n} T(n,k) * x^(2*n-2*k+1) * y^(2*k) / ((2*n-2*k+1)!*(2*k)!) and related functions C(x,y) and D(x,y), as defined in the Formula section. Sequence gives the triangular array of coefficients T(n,k) (n>=0, 0<=k<=n) of S(x,y).
Terms
- a(0) =1a(1) =-1a(2) =-1a(3) =1a(4) =-3a(5) =1a(6) =-1a(7) =15a(8) =15a(9) =-1a(10) =1a(11) =-35a(12) =145a(13) =-35a(14) =1a(15) =-1a(16) =63a(17) =-1505a(18) =-1505a(19) =63a(20) =-1a(21) =1a(22) =-99a(23) =5985a(24) =-30387a(25) =5985a(26) =-99a(27) =1a(28) =-1a(29) =143
External references
- oeis: A326800