Numbers k that divide s(k), where s(1)=1, s(j)=16*s(j-1)+j.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =8a(7) =9a(8) =10a(9) =12a(10) =15a(11) =16a(12) =18a(13) =20a(14) =21a(15) =24a(16) =25a(17) =27a(18) =30a(19) =34a(20) =36a(21) =39a(22) =40a(23) =42a(24) =45a(25) =48a(26) =50a(27) =54a(28) =55a(29) =60