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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..61.

Eric Weisstein's World of Mathematics, Domination Number

CROSSREFS

Sequence in context: A260740 A255131 A280453 * A285047 A263137 A320846

Adjacent sequences:  A289900 A289901 A289902 * A289904 A289905 A289906

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Jul 14 2017

EXTENSIONS

a(31) and beyond from Eric W. Weisstein, Sep 18 2021

STATUS

approved

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Last modified August 17 05:07 EDT 2022. Contains 356184 sequences. (Running on oeis4.)