45519

Appears in sequences

• Number of n X n binary arrays with every one adjacent to another one horizontally, diagonally, antidiagonally or vertically.at n=3A202788
• Number of nX4 binary arrays with every one adjacent to another one horizontally, diagonally, antidiagonally or vertically.at n=3A202791
• T(n,k)=Number of nXk binary arrays with every one adjacent to another one horizontally, diagonally, antidiagonally or vertically.at n=24A202795
• Number of connected 3-regular multigraphs on 2n unlabeled nodes rooted at an oriented edge (or loop) whose removal does not disconnect the graph, loops allowed.at n=6A361448