Expansion of e.g.f. -log(1 - x)*arcsinh(x).

Terms

a(0) =0a(1) =0a(2) =2a(3) =3a(4) =4a(5) =20a(6) =158a(7) =819a(8) =3624a(9) =33984a(10) =427482a(11) =3819915a(12) =29665260a(13) =404822340a(14) =6948032310a(15) =88407058635a(16) =991515848400