A387806 Number of fundamentally different graceful labelings of the n-prism graph.

4, 27, 444, 11026, 176512, 6047590

Offset

3,1

Links

Table of n, a(n) for n=3..8.

Eric Weisstein's World of Mathematics, Graceful Labeling.

Eric Weisstein's World of Mathematics, Prism Graph.

Formula

a(n) = A336677(n)/(8*n) for n > 4. - Eric W. Weisstein, Sep 12 2025

Crossrefs

Cf. A336677 (all graceful labelings).

Sequence in context: A123672 A269869 A119030 * A356806 A120093 A197987

Adjacent sequences: A387803 A387804 A387805 * A387807 A387808 A387809

Keyword

nonn,more

Author

Eric W. Weisstein, Sep 08 2025

Status

approved