Numbers of the form p^2*q, with odd primes p > q, such that q divides p-1.

Terms

a(0) =147a(1) =507a(2) =605a(3) =1083a(4) =2883a(5) =4107a(6) =4805a(7) =5547a(8) =5819a(9) =5887a(10) =8405a(11) =11163a(12) =12943a(13) =13467a(14) =15987a(15) =18605a(16) =18723a(17) =25205a(18) =28227a(19) =31827a(20) =35287a(21) =35643a(22) =36517a(23) =48387a(24) =49379a(25) =50807a(26) =51005a(27) =57963a(28) =68403a(29) =73947