Numbers with exactly one arithmetic progression of four successive divisors (not necessarily consecutive).

A094530

Numbers with exactly one arithmetic progression of four successive divisors (not necessarily consecutive).

Terms

    a(0) =12a(1) =105a(2) =140a(3) =440a(4) =585a(5) =1729a(6) =3825a(7) =5643a(8) =6380a(9) =7161a(10) =9009a(11) =9867a(12) =10472a(13) =11408a(14) =12025a(15) =13923a(16) =17732a(17) =18705a(18) =19760a(19) =21505a(20) =23715a(21) =25568a(22) =27489a(23) =30272a(24) =36465a(25) =38665a(26) =43472a(27) =52521a(28) =58995a(29) =62307

External references