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A185487
T(n,k)=Number of (n+1)X(k+1) binary arrays with every 2X2 subblock determinant equal to some horizontal or vertical neighbor 2X2 subblock determinant
10
0, 30, 30, 76, 148, 76, 234, 684, 684, 234, 632, 3262, 4740, 3262, 632, 1832, 15402, 35672, 35672, 15402, 1832, 5182, 73094, 260172, 431655, 260172, 73094, 5182, 14860, 346356, 1923780, 5026765, 5026765, 1923780, 346356, 14860, 42346, 1642258
OFFSET
1,2
COMMENTS
Table starts
......0.......30.........76...........234.............632..............1832
.....30......148........684..........3262...........15402.............73094
.....76......684.......4740.........35672..........260172...........1923780
....234.....3262......35672........431655.........5026765..........59486818
....632....15402.....260172.......5026765........92026207........1723639416
...1832....73094....1923780......59486818......1723639416.......51354095605
...5182...346356...14150114.....699638196.....31993561712.....1513130455943
..14860..1642258..104300522....8249951270....596127705496....44794190542169
..42346..7785218..768160718...97185031842..11090335813888..1323525925470463
.121016.36909314.5659345888.1145303393559.206455498003433.39137379574959336
LINKS
EXAMPLE
Some solutions for 4X3 with
..0..0..0....0..0..1....0..1..1....1..0..0....0..0..0....1..1..0....1..0..0
..0..1..0....0..0..0....1..1..0....0..0..1....0..0..0....0..1..1....0..0..0
..0..0..0....0..1..1....1..0..0....1..0..1....1..1..1....0..0..0....0..0..0
..1..0..0....0..0..0....0..0..1....1..0..0....1..1..1....1..1..0....1..1..1
CROSSREFS
Sequence in context: A040871 A022364 A186902 * A051723 A247517 A165851
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 28 2011
STATUS
approved