Composite numbers x such that sigma(x+120) = sigma(x)+120.

Terms

a(0) =182a(1) =203a(2) =287a(3) =350a(4) =407a(5) =558a(6) =611a(7) =731a(8) =779a(9) =803a(10) =963a(11) =1424a(12) =1643a(13) =2627a(14) =2747a(15) =3431a(16) =3806a(17) =4187a(18) =4223a(19) =5063a(20) =6767a(21) =7946a(22) =8927a(23) =9047a(24) =11904a(25) =12707a(26) =12878a(27) =15794a(28) =18923a(29) =20567