E.g.f.: A(x) = exp(x*sinh(x*G(x))) where G(x) = cosh(x*G(x)) is the e.g.f. of A143601.
A143598
E.g.f.: A(x) = exp(x*sinh(x*G(x))) where G(x) = cosh(x*G(x)) is the e.g.f. of A143601.
Terms
- a(0) =1a(1) =2a(2) =28a(3) =1176a(4) =103440a(5) =15726880a(6) =3684098496
External references
- oeis: A143598