265665

Appears in sequences

• Fibonacci sequence beginning 0, 15.at n=22A022349
• Number of (undirected) paths in the complete bipartite graph K_{m,n} (triangle read by rows with m = 1..n and n = 1..).at n=19A307027
• Array read by antidiagonals: T(m,n) is the number of (undirected) paths in the complete bipartite graph K_{m,n}.at n=49A360850
• Array read by antidiagonals: T(m,n) is the number of (undirected) paths in the complete bipartite graph K_{m,n}.at n=50A360850