Totally multiplicative sequence with a(p) = 7p-1 for prime p.

Terms

a(0) =1a(1) =13a(2) =20a(3) =169a(4) =34a(5) =260a(6) =48a(7) =2197a(8) =400a(9) =442a(10) =76a(11) =3380a(12) =90a(13) =624a(14) =680a(15) =28561a(16) =118a(17) =5200a(18) =132a(19) =5746a(20) =960a(21) =988a(22) =160a(23) =43940a(24) =1156a(25) =1170a(26) =8000a(27) =8112a(28) =202a(29) =8840