165312

Appears in sequences

• Triangle T(n,k) = C_n(k) where C_n(k) = number of k-colored labeled graphs with n nodes (n >= 1, 1<=k<=n).at n=22A058843
• Number of 2-colored labeled graphs with n nodes.at n=6A058872
• Triangle read by rows: T(n,k) is number of noncrossing trees with n edges and having k branches.at n=49A101452
• Averages of twin prime pairs that are sums of 5 consecutive averages of twin prime pairs.at n=33A160919
• a(n) is the smallest positive integer x such that sqrt(2) + sqrt(x) is closer to an integer than any other value already in the sequence.at n=19A309815
• Number of 2 X n mazes that can be navigated from the top left corner to the bottom right corner.at n=7A349594