Triangular array T(n,k) (n >= 1, 1 <= k <= n) read by rows, where T(n,k) = smallest number x such that Mod[sigma[x],n]=k.
A074625
Triangular array T(n,k) (n >= 1, 1 <= k <= n) read by rows, where T(n,k) = smallest number x such that Mod[sigma[x],n]=k.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =1a(4) =7a(5) =2a(6) =1a(7) =5a(8) =2a(9) =3a(10) =1a(11) =4a(12) =2a(13) =3a(14) =8a(15) =1a(16) =7a(17) =2a(18) =3a(19) =2401a(20) =5a(21) =1a(22) =29a(23) =2a(24) =3a(25) =6a(26) =5a(27) =4a(28) =1a(29) =10
External references
- oeis: A074625