Square array T(n, k), n >= 2 and k >= 1, read by antidiagonals in ascending order, give the smallest number that starts a sequence of exactly k consecutive numbers each having exactly n prime factors (counted with multiplicity), or -1 if no such number exists.

A375160

Square array T(n, k), n >= 2 and k >= 1, read by antidiagonals in ascending order, give the smallest number that starts a sequence of exactly k consecutive numbers each having exactly n prime factors (counted with multiplicity), or -1 if no such number exists.

Terms

    a(0) =4a(1) =8a(2) =9a(3) =16a(4) =27a(5) =33a(6) =32a(7) =135a(8) =170a(9) =-1a(10) =64a(11) =944a(12) =1274a(13) =603a(14) =-1a(15) =128a(16) =5264a(17) =15470a(18) =4023a(19) =602a(20) =-1a(21) =256a(22) =29888a(23) =33614a(24) =57967a(25) =12122a(26) =2522a(27) =-1a(28) =512a(29) =50624

External references