Places k where the infinitary phi-function A064380(k) divides the infinitary sigma-function A049417(k).

A187033

Places k where the infinitary phi-function A064380(k) divides the infinitary sigma-function A049417(k).

Terms

    a(0) =2a(1) =3a(2) =6a(3) =14a(4) =24a(5) =40a(6) =48a(7) =51a(8) =54a(9) =57a(10) =60a(11) =120a(12) =440a(13) =450a(14) =1246a(15) =1824a(16) =2280a(17) =8802a(18) =12720a(19) =29019a(20) =36720a(21) =37245a(22) =55428a(23) =74822a(24) =81480a(25) =133950a(26) =169435a(27) =441030

External references