Number of simple graphs on n labeled nodes, where each maximally connected subgraph consists of a single node or has a unique cycle of length 4; also row sums of A144209.

A144210

Number of simple graphs on n labeled nodes, where each maximally connected subgraph consists of a single node or has a unique cycle of length 4; also row sums of A144209.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =4a(5) =76a(6) =1486a(7) =29506a(8) =628531a(9) =14633011a(10) =373486051a(11) =10423892971a(12) =316702467496

External references