644280
domain: N
Appears in sequences
- Numbers that can be expressed as the difference of the squares of primes in exactly thirteen distinct ways.at n=3A092009
- Integers x such that there exist two integers 0<x<=y<=z such that psi(x) = psi(y) = psi(z) = x + y + z.at n=22A385852
- Integers y such that there exist two integers 0<x<=y<=z such that psi(x) = psi(y) = psi(z) = x + y + z.at n=19A386901