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A295192
Chromatic invariant of the n-triangular (Johnson) graph.
0
1, 1, 11, 3444, 32396796, 10588983252480
OFFSET
2,3
LINKS
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: A216347 A377762 A214137 * A359989 A295195 A134806
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Nov 16 2017
EXTENSIONS
a(7) from Andrew Howroyd, Apr 23 2018
STATUS
approved