Primes of the form 2^i*3^j + (i+j) with i, j >= 0.

Terms

a(0) =3a(1) =11a(2) =37a(3) =53a(4) =113a(5) =167a(6) =199a(7) =439a(8) =521a(9) =3083a(10) =6569a(11) =12301a(12) =23339a(13) =32783a(14) =139981a(15) =663569a(16) =708601a(17) =3981331a(18) =7558289a(19) =20155411a(20) =38263769a(21) =45349651a(22) =75497497a(23) =483729431a(24) =1934917657a(25) =2717909021a(26) =6115295261a(27) =12397455671a(28) =14693280793