157312

Appears in sequences

• Numerators of continued fraction convergents to sqrt(886).at n=12A042712
• Number of preferential arrangements (or hierarchical orderings) on the disconnected graphs on n unlabeled nodes.at n=8A139415
• Number of (n+1)X(n+1) 0..1 arrays with every 2X2 subblock having one or two 1s.at n=3A251318
• Number of (n+1)X(4+1) 0..1 arrays with every 2X2 subblock having one or two 1s.at n=3A251322
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having one or two 1s.at n=24A251326