30405

Appears in sequences

• a(n) = (n^3 + 2*n)/3.at n=45A006527
• a(n) = (2*n+1)*(4*n^2+4*n+3)/3.at n=22A057813
• Number of (n+2) X 4 binary arrays with each 3 X 3 subblock having rows and columns in lexicographically nondecreasing order.at n=22A184541
• Number of squarefree integers congruent to {5, 6, 7} mod 8 <= 10^n.at n=4A274264
• Number of inequivalent ways to color the faces of a cube using at most n colors so that no two opposite sides have the same color.at n=10A282816