Nonprimes in A084111.

Terms

a(0) =1a(1) =16a(2) =48a(3) =80a(4) =81a(5) =112a(6) =405a(7) =567a(8) =625a(9) =704a(10) =832a(11) =891a(12) =1053a(13) =1088a(14) =1216a(15) =1377a(16) =1472a(17) =1539a(18) =1856a(19) =1863a(20) =1984a(21) =2368a(22) =2401a(23) =2624a(24) =2752a(25) =3008a(26) =3392a(27) =3776a(28) =3904a(29) =4032