E.g.f.: D(x,k) = dn( i * Integral C(x,k) dx, k) such that C(x,k) = cn( i * Integral C(x,k) dx, k), where D(x,k) = Sum_{n>=0} Sum_{j=0..n} T(n,j) * x^(2*n)*k^(2*j)/(2*n)!, as a triangle of coefficients T(n,j) read by rows.
A325222
E.g.f.: D(x,k) = dn( i * Integral C(x,k) dx, k) such that C(x,k) = cn( i * Integral C(x,k) dx, k), where D(x,k) = Sum_{n>=0} Sum_{j=0..n} T(n,j) * x^(2*n)*k^(2*j)/(2*n)!, as a triangle of coefficients T(n,j) read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =8a(5) =1a(6) =0a(7) =136a(8) =88a(9) =1a(10) =0a(11) =3968a(12) =6240a(13) =816a(14) =1a(15) =0a(16) =176896a(17) =513536a(18) =195216a(19) =7376a(20) =1a(21) =0a(22) =11184128a(23) =51880064a(24) =39572864a(25) =5352544a(26) =66424a(27) =1a(28) =0a(29) =951878656
External references
- oeis: A325222