Triangle read by rows: fraction of integers having k of the first n positive integers as divisors is T(n,k)/A003418(n).
A096180
Triangle read by rows: fraction of integers having k of the first n positive integers as divisors is T(n,k)/A003418(n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =1a(6) =4a(7) =4a(8) =3a(9) =1a(10) =16a(11) =20a(12) =16a(13) =7a(14) =1a(15) =16a(16) =20a(17) =12a(18) =6a(19) =5a(20) =1a(21) =96a(22) =136a(23) =92a(24) =48a(25) =36a(26) =11a(27) =1a(28) =192a(29) =272
External references
- oeis: A096180