A299204 a(n) = A000594(n) mod (n-1).

0, 0, 1, 2, 2, 2, 4, 5, 0, 2, 9, 2, 0, 0, 1, 2, 3, 2, 2, 12, 18, 10, 22, 7, 12, 22, 2, 2, 5, 2, 11, 16, 15, 2, 31, 2, 12, 32, 3, 2, 8, 2, 27, 42, 27, 22, 9, 9, 16, 32, 32, 10, 33, 18, 0, 0, 30, 0, 29, 2, 38, 50, 28, 20, 39, 26, 48, 48, 0, 2, 4, 2, 5, 26, 35, 12

Offset: 2

Author

Seiichi Manyama, Feb 05 2018

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 2..10000

Crossrefs

Cf. A000594, A273650, A299163, A299172, A299205.

Programs

Mathematica

f[n_] := Mod[RamanujanTau@n, n - 1]; Array[f, 76, 2] (* Robert G. Wilson v, Feb 07 2018 *)

PARI

{a(n) = ramanujantau(n)%(n-1)}