A378708 Circumference of the n-Lucas cube graph.

4, 10, 16, 28, 46, 74, 122, 198, 320

Offset: 4

Author

Eric W. Weisstein, Dec 04 2024

Keywords

• nonn
• more

Comments

a(n) = 2*A245968(n) = A000032(n) - A100063 = LucasL[n] - 2/3 (Cos[2 n Pi/3] + 2) for known terms starting with n == 5.

Links

• Eric Weisstein's World of Mathematics, Graph Circumference.
• Eric Weisstein's World of Mathematics, Lucas Cube Graph.