A295192 Chromatic invariant of the n-triangular (Johnson) graph.

1, 1, 11, 3444, 32396796, 10588983252480

Offset

2,3

Links

Table of n, a(n) for n=2..7.

Eric Weisstein's World of Mathematics, Chromatic Invariant

Eric Weisstein's World of Mathematics, Johnson Graph

Eric Weisstein's World of Mathematics, Triangular Graph

Crossrefs

Sequence in context: A227785 A216347 A214137 * A359989 A295195 A134806

Adjacent sequences: A295189 A295190 A295191 * A295193 A295194 A295195

Keyword

nonn,more

Author

Eric W. Weisstein, Nov 16 2017

Extensions

a(7) from Andrew Howroyd, Apr 23 2018

Status

approved