A387801 Number of fundamentally different graceful labelings of the n-hypercube graph.

1, 1, 1, 27, 607173

Offset

0,4

Links

Table of n, a(n) for n=0..4.

Eric Weisstein's World of Mathematics, Graceful Labeling.

Eric Weisstein's World of Mathematics, Hypercube Graph.

Formula

a(n) = A338005(n)/(2^(n + 1)*n!) for n > 1. - Eric W. Weisstein, Sep 12 2025

Crossrefs

Cf. A338005 (all graceful labelings).

Sequence in context: A281956 A068738 A377768 * A132649 A086166 A132661

Adjacent sequences: A387798 A387799 A387800 * A387802 A387803 A387804

Keyword

nonn,more

Author

Eric W. Weisstein, Sep 08 2025

Status

approved