A288629 Number of (undirected) paths in the n-Sierpinski sieve graph.

6, 108, 49194, 328040263752, 3114828284506941483786172285326

Offset

1,1

Links

Andrew Howroyd, Table of n, a(n) for n = 1..7

Eric Weisstein's World of Mathematics, Graph Path.

Eric Weisstein's World of Mathematics, Sierpinski Sieve Graph.

Crossrefs

Cf. A234634, A234635.

Sequence in context: A132856 A368851 A337580 * A041149 A193810 A217987

Adjacent sequences: A288626 A288627 A288628 * A288630 A288631 A288632

Keyword

nonn

Author

Eric W. Weisstein, Jun 17 2017

Extensions

a(4) onwards from Andrew Howroyd, Aug 08 2024

Status

approved