23318
domain: N
Appears in sequences
- Numbers k such that sigma(k) = sigma(k+8).at n=23A015876
- A generalized difference set on the set of all integers (lambda = 2).at n=24A049399
- Numbers k such that 265*2^k + 1 is prime.at n=23A053349
- Composite numbers k such that phi(k + d(k)) = phi(k) + d(k), where phi() = A000010(), d() = A000005().at n=22A063702
- Square row sums of the table A008289 (A060016).at n=30A238517