Expansion of e.g.f. arcsinh(arcsinh(x) * exp(x)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =-12a(5) =-67a(6) =-50a(7) =2917a(8) =31752a(9) =49849a(10) =-3711302a(11) =-59694967a(12) =-115031620a(13) =13336031733a(14) =273381245254a(15) =558981564013