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A303293
Array read by antidiagonals: T(m,n) = number of minimum total dominating sets in the grid graph P_m X P_n.
8
0, 1, 1, 2, 4, 2, 1, 1, 1, 1, 1, 16, 2, 16, 1, 4, 9, 1, 1, 9, 4, 3, 1, 3, 16, 3, 1, 3, 1, 64, 4, 256, 256, 4, 64, 1, 2, 16, 4, 4, 160, 4, 4, 16, 2, 9, 1, 9, 121, 25, 25, 121, 9, 1, 9, 4, 169, 12, 2916, 268, 144, 268, 2916, 12, 169, 4
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OFFSET
1,4
COMMENTS
The minimum size of a total dominating set is the total domination number
A300358
(m, n).
LINKS
Andrew Howroyd,
Table of n, a(n) for n = 1..435
(first 29 antidiagonals)
Eric Weisstein's World of Mathematics,
Grid Graph
.
Eric Weisstein's World of Mathematics,
Minimum Total Dominating Set
.
EXAMPLE
Table begins:
===============================================
m\n| 1 2 3 4 5 6 7 8 9
---+-------------------------------------------
1 | 0 1 2 1 1 4 3 1 2 ...
2 | 1 4 1 16 9 1 64 16 1 ...
3 | 2 1 2 1 3 4 4 9 12 ...
4 | 1 16 1 16 256 4 121 2916 25 ...
5 | 1 9 3 256 160 25 268 4225 510 ...
6 | 4 1 4 4 25 144 529 2025 10404 ...
7 | 3 64 4 121 268 529 4 441 630 ...
8 | 1 16 9 2916 4225 2025 441 256 9 ...
9 | 2 1 12 25 510 10404 630 9 1364 ...
...
CROSSREFS
Rows 1..2 are
A302654
,
A303054
.
Main diagonal is
A303142
.
Cf.
A300358
,
A303111
,
A303118
.
Sequence in context:
A201316
A105023
A279315
*
A344637
A201558
A052285
Adjacent sequences:
A303290
A303291
A303292
*
A303294
A303295
A303296
KEYWORD
nonn
,
tabl
AUTHOR
Andrew Howroyd
, Apr 20 2018
STATUS
approved