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A302486
Total domination number of the n-triangular grid graph.
3
2, 2, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 26, 30, 33, 36, 40, 45, 49, 54, 58, 63, 69, 74
OFFSET
1,1
LINKS
Eric Weisstein's World of Mathematics, Total Domination Number
Eric Weisstein's World of Mathematics, Triangular Grid Graph
FORMULA
a(n) ~ n^2/10. - Andrew Howroyd, May 20 2018
CROSSREFS
Sequence in context: A334653 A230059 A340445 * A266745 A373219 A062436
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Apr 08 2018
EXTENSIONS
a(11)-a(15) from Andrew Howroyd, Apr 18 2018
a(16)-a(17) from Eric W. Weisstein, Apr 18 2018
a(18) from Eric W. Weisstein, Apr 20 2018
a(19) from Andrew Howroyd, May 19 2018
a(20)-a(24) from Eric W. Weisstein, Sep 22-23 2021
STATUS
approved