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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 (list; table; graph; refs; listen; history; text; internal format)
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

R. H. Hardin, Table of n, a(n) for n = 1..160

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

Adjacent sequences:  A203404 A203405 A203406 * A203408 A203409 A203410

KEYWORD

nonn,tabl

AUTHOR

R. H. Hardin Jan 01 2012

STATUS

approved

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Last modified December 1 22:24 EST 2020. Contains 338858 sequences. (Running on oeis4.)