login
A295190
Chromatic invariant of the n-triangular grid graph.
0
1, 1, 1, 5, 97, 6739, 1611097, 1295101469, 3449859538455, 30155591559236245, 859063676925680110319, 79361177641450830904290293
OFFSET
0,4
LINKS
Eric Weisstein's World of Mathematics, Chromatic Invariant
Eric Weisstein's World of Mathematics, Triangular Grid Graph
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Nov 16 2017
EXTENSIONS
a(8)-a(11) from Andrew Howroyd, Apr 23 2018
STATUS
approved