A193490 Number of rooted trees with n nodes and omega-valency 5.

0, 0, 0, 0, 0, 0, 1, 1, 8, 15, 70, 165, 608, 1601, 5259, 14564, 45040, 127521, 381691, 1090130, 3202382, 9171574, 26642413, 76312777, 220134939, 629965221, 1808975528, 5170502225, 14801940226, 42257089390

Offset: 1

Author

N. J. A. Sloane, Jul 27 2011

Keywords

• nonn

Comments

See A003120 for definitions.

Links

• J.-C. Arditti, Dénombrement des arborescences dont le graphe de comparabilité est Hamiltonien, Discrete Math., 5 (1973), 189-200.

Crossrefs

Cf. A003120, A193487, A193488, A193489, A193491.