Numbers k such that n or more consecutive integers starting at k have the same number of distinct prime divisors.

A045983

Numbers k such that n or more consecutive integers starting at k have the same number of distinct prime divisors.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =2a(4) =54a(5) =91a(6) =141a(7) =141a(8) =44360a(9) =48919a(10) =218972a(11) =526095a(12) =526095a(13) =526095a(14) =17233173a(15) =127890362a(16) =29138958036a(17) =118968284928a(18) =118968284928a(19) =585927201062a(20) =585927201062a(21) =585927201062a(22) =585927201062

External references