A325202 Number of times that A325177(n) occurs in the sum of proper unitary divisors function (A034460).

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 21, 24, 26, 28, 31, 33, 35, 37, 38, 45, 49, 56, 60, 63, 64, 65, 72, 73, 81, 83, 94, 100, 105, 121, 138, 145, 149, 169, 175, 176, 180, 182, 202, 210, 234, 236, 256, 285, 288, 306, 319, 343, 347, 362, 382

Offset: 1

Author

Amiram Eldar, Sep 05 2019

Keywords

• nonn

Comments

The unitary version of A238896.

Crossrefs

Cf. A034448, A034460, A063948, A238896, A324938, A325177.

Programs

Mathematica

us[1] = 0; us[n_] := Times @@ (1 + Power @@@ FactorInteger[n]) - n;  m = 300; v = Table[0, {m}]; Do[u = us[k]; If[2 <= u <= m, v[[u]]++], {k, 1, m^2}]; s = {}; vm = -1; Do[If[v[[k]] > vm, vm = v[[k]]; AppendTo[s, vm]], {k, 2, m}]; s

Formula

a(n) = A324938(A325177(n)).