A307917 Number of (undirected) paths in the n-crown graph.

0, 2, 30, 444, 10340, 352590, 16639602, 1035509720, 82076817384

Offset

1,2

Links

Table of n, a(n) for n=1..9.

Eric Weisstein's World of Mathematics, Crown Graph

Eric Weisstein's World of Mathematics, Graph Path

Crossrefs

Sequence in context: A383108 A285298 A134362 * A296980 A219706 A318477

Adjacent sequences: A307914 A307915 A307916 * A307918 A307919 A307920

Keyword

nonn,more,changed

Author

Eric W. Weisstein, May 06 2019

Extensions

a(1)-a(2) prepended and a(9) from Eric W. Weisstein, Jun 15 2026

Status

approved