A333672 Total number of graceful labelings of the n-wheel graph.

48, 64, 240, 552, 1876, 8032, 66312, 431680, 2634720, 21114384, 182975728, 1639244376

Offset

4,1

Links

Table of n, a(n) for n=4..15.

Eric Weisstein's World of Mathematics, Graceful Labeling

Eric Weisstein's World of Mathematics, Wheel Graph

Formula

a(n) = 4*(n - 1)*A387825(n). - Eric W. Weisstein, Sep 12 2025

Crossrefs

Cf. A387825 (fundamentally different labelings).

Sequence in context: A323610 A186400 A205188 * A045072 A217139 A241481

Adjacent sequences: A333669 A333670 A333671 * A333673 A333674 A333675

Keyword

nonn,more

Author

Eric W. Weisstein, Apr 01 2020

Extensions

a(10) = 66312 from Eric W. Weisstein, Jun 13 2020

a(11) from Pontus von Brömssen, Jul 26 2020

a(12)-a(15) from Eric W. Weisstein, Sep 12 2025

Status

approved