Number of symmetries in planted (1,4) trees on 3n-1 vertices.

A003613

Number of symmetries in planted (1,4) trees on 3n-1 vertices.

Terms

    a(0) =1a(1) =6a(2) =12a(3) =96a(4) =1560a(5) =4848a(6) =28848a(7) =248352a(8) =1446240a(9) =12905664a(10) =99071040a(11) =649236480a(12) =4924099200a(13) =49007023872a(14) =304778309376

External references