Totally multiplicative sequence with a(p) = 3*(p+3) for prime p.

Terms

a(0) =1a(1) =15a(2) =18a(3) =225a(4) =24a(5) =270a(6) =30a(7) =3375a(8) =324a(9) =360a(10) =42a(11) =4050a(12) =48a(13) =450a(14) =432a(15) =50625a(16) =60a(17) =4860a(18) =66a(19) =5400a(20) =540a(21) =630a(22) =78a(23) =60750a(24) =576a(25) =720a(26) =5832a(27) =6750a(28) =96a(29) =6480