Numbers k neither squarefree nor prime powers such that A119288(k) <= k/A007947(k) < A053669(k) and A007947(k) is a primorial P(i) = A002110(i) for some i.

A369540

Numbers k neither squarefree nor prime powers such that A119288(k) <= k/A007947(k) < A053669(k) and A007947(k) is a primorial P(i) = A002110(i) for some i.

Terms

    a(0) =18a(1) =24a(2) =90a(3) =120a(4) =150a(5) =180a(6) =630a(7) =840a(8) =1050a(9) =1260a(10) =1470a(11) =1680a(12) =1890a(13) =2100a(14) =6930a(15) =9240a(16) =11550a(17) =13860a(18) =16170a(19) =18480a(20) =20790a(21) =23100a(22) =25410a(23) =27720a(24) =90090a(25) =120120a(26) =150150a(27) =180180a(28) =210210a(29) =240240

External references