25539
domain: N
Appears in sequences
- a(1) = 7; a(n+1) = a(n)-th nonprime, where nonprimes begin at 0.at n=41A025002
- Difference between the n-th partial sum of the squares (A000330) and the n-th partial sum of the primes (A007504).at n=43A108753
- Numbers of the form x^2 + y^2 + z^2 = phi(x*y*z) + sigma(x*y*z).at n=31A173792
- Number of length 6 0..n arrays least squares fitting to a zero slope straight line, with a single point taken as having zero slope.at n=9A245136