Number of rooted planar cubic maps with 2n vertices.

A002005

Number of rooted planar cubic maps with 2n vertices.

Terms

    a(0) =1a(1) =4a(2) =32a(3) =336a(4) =4096a(5) =54912a(6) =786432a(7) =11824384a(8) =184549376a(9) =2966845440a(10) =48855252992a(11) =820675092480

External references