150195
domain: N
Appears in sequences
- Odd integers m such that phi(m) | sigma(m).at n=35A015715
- Numbers n such that the arithmetic, geometric and harmonic means of phi(n) and sigma(n) are all integers.at n=37A065146
- Numbers k such that sigma(k) = 4*phi(k).at n=25A068390
- Numbers k such that k, 2*k and 4*k are balanced numbers (A020492).at n=27A076376
- Numbers k such that k, 2*k, 4*k and 8*k are balanced numbers (A020492).at n=9A076377
- A Graham-Pollak-like sequence with cube root instead of square root.at n=46A100673