OFFSET
1,1
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..6
Eric Weisstein's World of Mathematics, Hanoi Graph
Eric Weisstein's World of Mathematics, Spanning Tree
CROSSREFS
Cf. A288839 (chromatic polynomials of the n-Hanoi graph).
Cf. A193233 (chromatic polynomial with highest coefficients first).
Cf. A137889 (directed Hamiltonian paths in the n-Hanoi graph).
Cf. A288490 (independent vertex sets in the n-Hanoi graph).
Cf. A286017 (matchings in the n-Hanoi graph).
Cf. A288796 (undirected paths in the n-Hanoi graph).
KEYWORD
nonn
AUTHOR
Eric W. Weisstein, Jul 16 2011
STATUS
approved