Products of two consecutive prime powers.

Terms

a(0) =2a(1) =6a(2) =12a(3) =20a(4) =35a(5) =56a(6) =72a(7) =99a(8) =143a(9) =208a(10) =272a(11) =323a(12) =437a(13) =575a(14) =675a(15) =783a(16) =899a(17) =992a(18) =1184a(19) =1517a(20) =1763a(21) =2021a(22) =2303a(23) =2597a(24) =3127a(25) =3599a(26) =3904a(27) =4288a(28) =4757a(29) =5183