Numbers with at least two odd prime factors (not necessarily distinct) such that in binary representation all divisors of n are contained in n.

A105442

Numbers with at least two odd prime factors (not necessarily distinct) such that in binary representation all divisors of n are contained in n.

Terms

    a(0) =55a(1) =215a(2) =407a(3) =1403a(4) =1681a(5) =3223a(6) =3362a(7) =3415a(8) =6724a(9) =13448a(10) =13655a(11) =15487a(12) =25751a(13) =80089a(14) =146621a(15) =160178a(16) =218455a(17) =237169a(18) =320356a(19) =445663a(20) =464711a(21) =474338a(22) =873815a(23) =948676a(24) =1662743a(25) =1897352a(26) =1932377a(27) =1975531a(28) =2484187a(29) =3223001

External references