30770

Appears in sequences

• Numbers that can be represented as a sum of two distinct nontrivial prime powers in three or more ways.at n=31A225104
• Number of (n+1) X (3+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.at n=6A251132
• Number of (n+1) X (7+1) 0..2 arrays with no 2 X 2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.at n=2A251136
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.at n=38A251137
• Number of length n+2 0..2 arrays with at most one downstep in every n consecutive neighbor pairs.at n=15A255109
• Number of triangles larger than size=1 in a matchstick-made hexagon with side length n.at n=21A307253
• Number of compositions of n whose non-adjacent parts are weakly decreasing.at n=29A333148