Expansion of e.g.f. sinh( (exp(4*x) - 1)/2 )/2.
A357666
Expansion of e.g.f. sinh( (exp(4*x) - 1)/2 )/2.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =20a(4) =160a(5) =1872a(6) =25024a(7) =348224a(8) =5055488a(9) =78571776a(10) =1332573184a(11) =24695206912a(12) =493816963072
External references
- oeis: A357666