Sums of two primes (in increasing order) when equal to the product of their prime-counting functions.

A272860

Sums of two primes (in increasing order) when equal to the product of their prime-counting functions.

Terms

    a(0) =12a(1) =18a(2) =24a(3) =96a(4) =116a(5) =120a(6) =984a(7) =990a(8) =996a(9) =8408a(10) =23616a(11) =23742a(12) =23850a(13) =24030a(14) =24066a(15) =24084a(16) =480324a(17) =480336a(18) =481344a(19) =3523814a(20) =3523842a(21) =3523884a(22) =3524514a(23) =9557160a(24) =9558030a(25) =9558240a(26) =9558300a(27) =25874592a(28) =25874640a(29) =70119798

External references