OFFSET

1,1

COMMENTS

a(n)/2 is the number of undirected Hamiltonian paths of the Platonic graph corresponding to a(n).

From symmetry, a(n) is a multiple of A063723(n).

LINKS

Seiichi Manyama, Python program (github)

Eric Weisstein's World of Mathematics, Tetrahedral Graph

Eric Weisstein's World of Mathematics, Cubical Graph

Eric Weisstein's World of Mathematics, Octahedral Graph

Eric Weisstein's World of Mathematics, Dodecahedral Graph

Eric Weisstein's World of Mathematics, Icosahedral Graph

CROSSREFS

KEYWORD

nonn,fini,full

AUTHOR

Seiichi Manyama, Dec 07 2022

STATUS

approved