179530

Appears in sequences

• Number of proper T_1-hypergraphs with 3 labeled nodes and n hyperedges.at n=26A056078
• Number of n X 2 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,3,0,2,4 for x=0,1,2,3,4.at n=14A196316