Lucky numbers indexed by prime numbers.

Terms

a(0) =3a(1) =7a(2) =13a(3) =21a(4) =37a(5) =49a(6) =69a(7) =75a(8) =99a(9) =133a(10) =141a(11) =189a(12) =205a(13) =219a(14) =237a(15) =283a(16) =319a(17) =327a(18) =367a(19) =399a(20) =415a(21) =463a(22) =487a(23) =529a(24) =583a(25) =615a(26) =621a(27) =645a(28) =655a(29) =693