182712

Appears in sequences

• Define k(0) = 2 and k(m) = m^2-k(m-1) for m >= 1. This is a list of those terms k(m) for which k(m)+1 and k(m)-1 are both in A008578 (primes including 1).at n=15A154734
• Number of nX4 0..4 arrays with each element equal to the number its horizontal and vertical zero neighbors.at n=12A197050
• Numbers m such that A327566(m) = Sum_{k=1..m} isigma(k) is divisible by m, where isigma(k) is the sum of infinitary divisors of k (A049417).at n=9A326488