Numbers n such that sigma(n+sigma(n)) = 6*sigma(n).

Terms

a(0) =831376a(1) =3944688a(2) =16956576a(3) =17843616a(4) =22591296a(5) =25371360a(6) =27870976a(7) =51878736a(8) =58877280a(9) =64641984a(10) =142990848a(11) =164898720a(12) =172821456a(13) =181821024a(14) =204330672a(15) =276371200a(16) =281613024a(17) =301571424a(18) =319848480a(19) =326207700a(20) =342237456a(21) =346502520a(22) =389165568a(23) =389450880a(24) =392110992