|
|
A186608
|
|
Number of (n+4)X12 binary arrays with every 5X5 subblock commuting with each horizontal and vertical neighbor 5X5 subblock
|
|
1
|
|
|
912129, 49309, 66332, 99820, 133484, 178372, 193000, 195916, 199176, 207272, 230808, 274692, 324324, 378860, 463624, 624268, 813168, 1009856, 1214708, 1505845, 1896398, 2359091, 2879204, 3462017, 4215879, 5229801, 6504763, 8033833
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
COMMENTS
|
Column 8 of A186609
|
|
LINKS
|
R. H. Hardin, Table of n, a(n) for n = 1..51
|
|
FORMULA
|
Empirical: a(n)=a(n-1)+a(n-3)-a(n-4)+a(n-5)-a(n-6)-a(n-8)+a(n-9)+a(n-10)-a(n-13) for n>22
|
|
EXAMPLE
|
Some solutions for 6X12
..0..0..0..0..0..0..0..1..1..0..0..1....0..0..0..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..1..1..0..0....0..0..0..0..0..0..0..0..0..0..1..1
..0..0..0..0..0..0..0..0..0..1..1..0....0..0..0..0..0..0..0..0..0..0..1..1
..1..1..0..0..0..0..0..0..0..0..1..1....0..1..0..0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..0..0..0..0..1....1..0..0..0..0..0..0..0..0..0..0..0
..0..1..0..0..0..0..0..0..0..0..0..0....0..1..0..0..0..0..0..0..0..0..0..0
|
|
CROSSREFS
|
Sequence in context: A035793 A102503 A251908 * A236617 A237155 A112688
Adjacent sequences: A186605 A186606 A186607 * A186609 A186610 A186611
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
R. H. Hardin Feb 24 2011
|
|
STATUS
|
approved
|
|
|
|