Expansion of e.g.f. Product_{k>=2} 1 / (1 - x^k/k!).

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =7a(5) =11a(6) =126a(7) =267a(8) =3655a(9) =11503a(10) =169258a(11) =654413a(12) =11623910a(13) =52505961a(14) =1066163983a(15) =5721040860a(16) =128827399823a(17) =783999460951