Number of labeled n-node connected graphs with at most one cycle.

A129271

Number of labeled n-node connected graphs with at most one cycle.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =4a(4) =31a(5) =347a(6) =4956a(7) =85102a(8) =1698712a(9) =38562309a(10) =980107840a(11) =27559801736a(12) =849285938304

External references