Triangle T(n,k) read by rows: for n >=0 and n >= k >=0, the fraction of positive integers with exactly k of the first n primes as divisors is T(n,k)/A002110(n).
A096294
Triangle T(n,k) read by rows: for n >=0 and n >= k >=0, the fraction of positive integers with exactly k of the first n primes as divisors is T(n,k)/A002110(n).
Terms
- a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =1a(6) =8a(7) =14a(8) =7a(9) =1a(10) =48a(11) =92a(12) =56a(13) =13a(14) =1a(15) =480a(16) =968a(17) =652a(18) =186a(19) =23a(20) =1a(21) =5760a(22) =12096a(23) =8792a(24) =2884a(25) =462a(26) =35a(27) =1a(28) =92160a(29) =199296
External references
- oeis: A096294