Number of simple connected regular bipartite graphs with 2n nodes.

A008323

Number of simple connected regular bipartite graphs with 2n nodes.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =5a(6) =12a(7) =34a(8) =218a(9) =4278a(10) =431165a(11) =162267174a(12) =201636689352

External references