Numbers m such that the GCD of the x's that satisfy sigma(x) = m is 2.

Terms

a(0) =3a(1) =126a(2) =186a(3) =399a(4) =924a(5) =1350a(6) =1386a(7) =1530a(8) =1806a(9) =2106a(10) =2646a(11) =2652a(12) =2814a(13) =2916a(14) =3066a(15) =3150a(16) =3654a(17) =3870a(18) =4662a(19) =4914a(20) =6162a(21) =6426a(22) =6846a(23) =6882a(24) =6930a(25) =7098a(26) =7566a(27) =7620a(28) =8190a(29) =8910