Totally multiplicative sequence with a(p) = p*(p-3) = p^2-3p for prime p.

Terms

a(0) =1a(1) =-2a(2) =0a(3) =4a(4) =10a(5) =0a(6) =28a(7) =-8a(8) =0a(9) =-20a(10) =88a(11) =0a(12) =130a(13) =-56a(14) =0a(15) =16a(16) =238a(17) =0a(18) =304a(19) =40a(20) =0a(21) =-176a(22) =460a(23) =0a(24) =100a(25) =-260a(26) =0a(27) =112a(28) =754a(29) =0