A295189 Chromatic invariant of the n-Sierpinski gasket graph.

1, 1, 27, 20346417, 505719202397835049370570187

Offset: 1

Author

Eric W. Weisstein, Nov 16 2017

Keywords

• nonn

Links

• Andrew Howroyd, Table of n, a(n) for n = 1..6
• Eric Weisstein's World of Mathematics, Chromatic Invariant.
• Eric Weisstein's World of Mathematics, Sierpinski Gasket Graph.

Crossrefs

Cf. A193277.

Extensions

a(5) onwards from Andrew Howroyd, Aug 08 2024