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A185798
T(n,k) = Number of (n+1) X (k+1) binary arrays with no 2 X 2 subblock sum equal to any horizontal or vertical neighbor 2 X 2 subblock sum.
10
16, 40, 40, 100, 96, 100, 260, 224, 224, 260, 676, 576, 510, 576, 676, 1716, 1408, 1336, 1336, 1408, 1716, 4356, 3456, 3196, 3756, 3196, 3456, 4356, 11220, 8320, 7888, 9368, 9368, 7888, 8320, 11220, 28900, 20864, 18616, 24392, 23064, 24392, 18616, 20864
OFFSET
1,1
COMMENTS
Table starts
....16.....40....100.....260.....676.....1716.....4356.....11220.....28900
....40.....96....224.....576....1408.....3456.....8320.....20864.....50816
...100....224....510....1336....3196.....7888....18616.....47776....114688
...260....576...1336....3756....9368....24392....59944....164576....411300
...676...1408...3196....9368...23064....61676...149828....433296...1073036
..1716...3456...7888...24392...61676...175588...441004...1379208...3532152
..4356...8320..18616...59944..149828...441004..1091308...3629540...9151956
.11220..20864..47776..164576..433296..1379208..3629540..13289252..35756268
.28900..50816.114688..411300.1073036..3532152..9151956..35756268..94533508
.73780.125312.287552.1098776.3000848.10752096.29663392.128976744.365151860
LINKS
EXAMPLE
Some solutions for 4 X 3
..1..1..1....1..1..0....1..1..0....1..1..1....0..1..1....0..1..1....1..0..0
..1..0..0....1..1..0....1..0..0....0..1..1....1..0..1....0..0..0....1..0..1
..0..0..0....1..0..0....1..0..0....1..0..1....1..1..0....1..1..0....0..0..1
..0..0..1....0..0..0....1..1..1....1..1..0....0..0..0....1..1..1....1..1..1
CROSSREFS
Sequence in context: A144448 A070584 A205072 * A253698 A185769 A205255
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Feb 04 2011
STATUS
approved