Numbers n of the form p^k - k = q^i - i for primes p < q.

Terms

a(0) =2a(1) =12a(2) =58a(3) =238a(4) =3120a(5) =6856a(6) =29788a(7) =50650a(8) =65520a(9) =161046a(10) =262126a(11) =300760a(12) =1295026a(13) =3442948a(14) =9393928a(15) =13997518a(16) =21253930a(17) =49430860a(18) =84604516a(19) =95443990a(20) =237176656a(21) =329939368a(22) =384240580a(23) =487443400a(24) =633839776a(25) =893871732a(26) =904231060a(27) =1284365500a(28) =1605723208a(29) =3183010108