Square array A(n,k): number of integers having k or more factors less than prime(n+1) in their prime factorization, within any interval of primorial(n)^k positive integers.
A281891
Square array A(n,k): number of integers having k or more factors less than prime(n+1) in their prime factorization, within any interval of primorial(n)^k positive integers.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =4a(9) =1a(10) =0a(11) =1a(12) =14a(13) =22a(14) =1a(15) =0a(16) =1a(17) =46a(18) =412a(19) =162a(20) =1a(21) =0a(22) =1a(23) =146a(24) =7072a(25) =22164a(26) =1830a(27) =1a(28) =0a(29) =1
External references
- oeis: A281891