login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A289903
Domination number of the n-triangular honeycomb acute knight graph.
1
1, 3, 3, 3, 3, 6, 9, 9, 9, 10, 15, 18, 18, 18, 21, 28, 30, 30, 34, 36, 45, 45, 48, 51, 55, 63, 63, 70, 75, 78, 84, 90, 96, 100, 105, 111, 118, 123, 132, 136, 144, 150, 157, 165, 171, 178, 186, 195, 202, 210, 219, 226, 234, 243, 253, 261, 270, 280, 288, 297, 307
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Domination Number
CROSSREFS
Sequence in context: A260740 A255131 A280453 * A285047 A263137 A320846
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Jul 14 2017
EXTENSIONS
a(31) and beyond from Eric W. Weisstein, Sep 18 2021
STATUS
approved