A307846 Number of (undirected) cycles in the n-Sierpinski carpet graph.

1, 4085185

Offset

1,2

Links

Table of n, a(n) for n=1..2.

Eric Weisstein's World of Mathematics, Graph Cycle

Eric Weisstein's World of Mathematics, Sierpinski Carpet Graph

Formula

a(2) = 7^8 - 6^8.

Crossrefs

Sequence in context: A231614 A376671 A191346 * A278199 A107023 A107024

Adjacent sequences: A307843 A307844 A307845 * A307847 A307848 A307849

Keyword

nonn,hard,more,bref

Author

Eric W. Weisstein, May 01 2019

Status

approved