Triangle read by rows: T(n,k), n >= 1, k = 0..A005867(n), is the smallest integer m > 0 such that the interval [P(n)*m+1, P(n)*(m+1)] includes exactly k primes, where P(n) = A002110(n) is the n-th primorial, or 0 if no such m exists.

A319039

Triangle read by rows: T(n,k), n >= 1, k = 0..A005867(n), is the smallest integer m > 0 such that the interval [P(n)*m+1, P(n)*(m+1)] includes exactly k primes, where P(n) = A002110(n) is the n-th primorial, or 0 if no such m exists.

Terms

    a(0) =4a(1) =1a(2) =15a(3) =4a(4) =1a(5) =360a(6) =83a(7) =17a(8) =26a(9) =10a(10) =4a(11) =3a(12) =1a(13) =0a(14) =1751793a(15) =235449a(16) =60110a(17) =10471a(18) =17110a(19) =8495a(20) =6288a(21) =3182a(22) =2452a(23) =1349a(24) =331a(25) =348a(26) =446a(27) =223a(28) =249a(29) =205

External references