login
A203407
T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 000 and 111 in rows and columns
7
102, 378, 378, 1260, 2030, 1260, 4374, 9484, 9484, 4374, 14946, 46746, 60232, 46746, 14946, 51384, 225654, 408432, 408432, 225654, 51384, 176238, 1098136, 2699464, 3858082, 2699464, 1098136, 176238, 605022, 5327258, 18021052, 35345798
OFFSET
1,1
COMMENTS
Table starts
.....102.......378........1260..........4374...........14946............51384
.....378......2030........9484.........46746..........225654..........1098136
....1260......9484.......60232........408432.........2699464.........18021052
....4374.....46746......408432.......3858082........35345798........327725888
...14946....225654.....2699464......35345798.......446672706.......5723980832
...51384...1098136....18021052.....327725888......5723980832.....101578277384
..176238...5327258...119835492....3024430930.....72950746702....1791372199364
..605022..25875154...798096928...27962750194....931753350314...31670053199428
.2076288.125619088..5312099836..258345914196..11890606324592..559357046066336
.7126302.609970274.35365379640.2387518651034.151793100413822.9883171811276912
LINKS
EXAMPLE
Some solutions for n=3 k=3
..1..0..1..0..1....1..0..1..0..1....0..0..1..1..0....1..1..0..0..1
..1..0..0..1..1....1..0..1..1..0....1..1..0..1..1....1..1..0..1..1
..0..1..1..0..0....0..1..0..1..0....0..0..1..0..1....0..0..1..1..0
..1..0..0..1..1....0..0..1..0..1....1..1..0..1..0....0..0..1..0..1
..1..1..0..0..1....1..0..0..1..1....1..1..0..0..1....1..1..0..0..1
CROSSREFS
Column 1 is A060521(n+2)
Column 2 is A060522(n+2)
Sequence in context: A173968 A173969 A140062 * A204867 A204860 A277459
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin Jan 01 2012
STATUS
approved