The 108 numbers n such that n(n+1) is 17-smooth.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =11a(11) =12a(12) =13a(13) =14a(14) =15a(15) =16a(16) =17a(17) =20a(18) =21a(19) =24a(20) =25a(21) =26a(22) =27a(23) =32a(24) =33a(25) =34a(26) =35a(27) =39a(28) =44a(29) =48