2,2
a(5) is also the number of paths in the 2-Keller graph.
Table of n, a(n) for n=2..5.
Eric Weisstein's World of Mathematics, Folded Cube Graph
Eric Weisstein's World of Mathematics, Graph Path
Eric Weisstein's World of Mathematics, Keller Graph
Sequence in context: A295446 A056093 A056070 * A054647 A061162 A230272
Adjacent sequences: A301374 A301375 A301376 * A301378 A301379 A301380
nonn,more
Eric W. Weisstein, Mar 21 2018
approved