Random triples
| Subject | Object |
|---|---|
| gptkb:A000010_(OEIS) | Number of positive integers <= n that are coprime to n |
| gptkb:A000079_(number_of_vertices) | a(n) = 2^n |
| gptkb:A000594_(OEIS) | tau(n), the Ramanujan tau function |
| gptkb:A047696_(OEIS) | Numbers that are congruent to {0, 1, 2, 3} mod 6. |