A378709 Circumference of the n-Pell graph.

4, 12, 28, 70, 168

Offset

2,1

Comments

Likely a(n) = A000129(n+1) - 1 for n even and A000129(n+1) for n odd.

Links

Table of n, a(n) for n=2..6.

Eric Weisstein's World of Mathematics, Graph Circumference.

Eric Weisstein's World of Mathematics, Pell Graph.

Crossrefs

Sequence in context: A173380 A002932 A337441 * A242079 A334322 A302763

Adjacent sequences: A378706 A378707 A378708 * A378712 A378713 A378714

Keyword

nonn,more,new

Author

Eric W. Weisstein, Dec 04 2024

Status

approved