Expansion of e.g.f. x*exp(x)*(sinh(x))^2.

Terms

a(0) =0a(1) =0a(2) =0a(3) =6a(4) =24a(5) =100a(6) =360a(7) =1274a(8) =4368a(9) =14760a(10) =49200a(11) =162382a(12) =531432a(13) =1727180a(14) =5580120a(15) =17936130a(16) =57395616a(17) =182948560a(18) =581130720a(19) =1840247318a(20) =5811307320a(21) =18305618100a(22) =57531942600a(23) =180441092746a(24) =564859072944