334521

Appears in sequences

• Numbers k such that Sum_{d|k} sigma(d)^3/d is an integer, where d are the divisors of k.at n=20A226566
• Number of (n+1)X(6+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.at n=0A232412
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.at n=15A232414
• Number of (1+1)X(n+1) 0..2 arrays with every element both >= and <= some horizontal, diagonal or antidiagonal neighbor.at n=5A232415