Factorial expansions of the entries in A085219.

Terms

a(0) =0a(1) =1a(2) =1a(3) =10a(4) =21a(5) =10a(6) =11a(7) =211a(8) =210a(9) =11a(10) =20a(11) =221a(12) =2110a(13) =211a(14) =20a(15) =21a(16) =311a(17) =2210a(18) =2111a(19) =320a(20) =21a(21) =100a(22) =321a(23) =3110a(24) =2211a(25) =3220a(26) =321a(27) =100a(28) =101a(29) =2111