Number of unlabeled asymmetric 5-ary cacti having n polygons.

A054364

Number of unlabeled asymmetric 5-ary cacti having n polygons.

Terms

    a(0) =1a(1) =1a(2) =0a(3) =10a(4) =60a(5) =505a(6) =3876a(7) =33125a(8) =290700a(9) =2661100a(10) =25049020a(11) =241724375a(12) =2379812100a(13) =23833198135a(14) =242172147380

External references