Table read by antidiagonals upward: |T(n,k)| is the smallest number j such that j and j+1 have n and k divisors, respectively, or 0 if no such number exists, and the sign of T(n,k) is positive iff there exists only one such number j.

A341654

Table read by antidiagonals upward: |T(n,k)| is the smallest number j such that j and j+1 have n and k divisors, respectively, or 0 if no such number exists, and the sign of T(n,k) is positive iff there exists only one such number j.

Terms

    a(0) =0a(1) =0a(2) =1a(3) =0a(4) =2a(5) =0a(6) =0a(7) =4a(8) =3a(9) =0a(10) =0a(11) =-6a(12) =0a(13) =-5a(14) =0a(15) =0a(16) =16a(17) =8a(18) =-9a(19) =0a(20) =0a(21) =0a(22) =-12a(23) =0a(24) =-14a(25) =0a(26) =-11a(27) =0a(28) =0a(29) =0

External references