OFFSET
1,2
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..435
Eric Weisstein's World of Mathematics, Connected Dominating Set
Eric Weisstein's World of Mathematics, Grid Graph
EXAMPLE
Array begins:
===============================================================
m\n| 1 2 3 4 5 6 7
---|-----------------------------------------------------------
1 | 1 3 4 4 4 4 4...
2 | 3 9 24 56 136 328 792...
3 | 4 24 129 613 2997 14713 72169...
4 | 4 56 613 5617 52955 502521 4763717...
5 | 4 136 2997 52955 964755 17625829 321381919...
6 | 4 328 14713 502521 17625829 617429805 21550989109...
7 | 4 792 72169 4763717 321381919 21550989109 1436456861467...
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Andrew Howroyd, Sep 04 2017
STATUS
approved