OFFSET
2,1
COMMENTS
a(5) is also the number of directed Hamiltonian paths in the 2-Keller graph. - Eric W. Weisstein, Mar 21 2018
LINKS
Eric Weisstein's World of Mathematics, Hamiltonian Path
Eric Weisstein's World of Mathematics, Folded Cube Graph
Eric Weisstein's World of Mathematics, Keller Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Feb 20 2008
EXTENSIONS
a(5) from Max Alekseyev, Dec 13 2011
a(6) from Eric W. Weisstein, Jan 11 2017
Offset adjusted and a(1) removed by Eric W. Weisstein, May 07 2019
STATUS
approved