Compositorial numbers (A036691) - 1.

Terms

a(0) =0a(1) =3a(2) =23a(3) =191a(4) =1727a(5) =17279a(6) =207359a(7) =2903039a(8) =43545599a(9) =696729599a(10) =12541132799a(11) =250822655999