

A202447


T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 110 in rows, columns and nwtose diagonals


9



80, 138, 138, 224, 226, 224, 338, 376, 376, 338, 484, 574, 676, 574, 484, 666, 836, 1102, 1102, 836, 666, 888, 1162, 1722, 1890, 1722, 1162, 888, 1154, 1568, 2544, 3122, 3122, 2544, 1568, 1154, 1468, 2054, 3652, 4822, 5512, 4822, 3652, 2054, 1468, 1834, 2636
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OFFSET

1,1


COMMENTS

Table starts
...80..138..224...338...484...666....888...1154...1468....1834....2256....2738
..138..226..376...574...836..1162...1568...2054...2636....3314....4104....5006
..224..376..676..1102..1722..2544...3652...5054...6850....9048...11764...15006
..338..574.1102..1890..3122..4822...7238..10394..14602...19886...26622...34834
..484..836.1722..3122..5512..8996..14338..21674..32120...45844...64378...87922
..666.1162.2544..4822..8996.15314..25576..40126..61820...91098..132128..185446
..888.1568.3652..7238.14338.25576..45156..74150.120170..184864..280724..410102
.1154.2054.5054.10394.21674.40126..74150.126066.212530..337334..529870..795786
.1468.2636.6850.14602.32120.61820.120170.212530.375592..619580.1016514.1583914
.1834.3314.9048.19886.45844.91098.184864.337334.619580.1052546.1786664.2859902


LINKS

R. H. Hardin, Table of n, a(n) for n = 1..480


EXAMPLE

Some solutions for n=4 k=3
..0..0..0..0..0....0..1..0..1..1....1..0..1..1..1....1..0..1..1..1
..0..1..1..1..1....0..0..0..0..0....1..0..1..0..0....0..1..1..1..1
..0..0..0..0..0....0..1..0..1..0....1..0..1..0..1....0..1..1..1..1
..0..1..0..0..0....0..1..0..0..0....1..0..1..0..0....0..1..1..1..1
..0..0..0..0..0....0..1..0..1..0....1..0..1..0..1....0..1..1..1..1
..0..0..0..0..0....0..1..0..1..0....1..0..1..0..0....0..1..1..1..1


CROSSREFS

Sequence in context: A349308 A224547 A204648 * A202440 A248432 A107931
Adjacent sequences: A202444 A202445 A202446 * A202448 A202449 A202450


KEYWORD

nonn,tabl


AUTHOR

R. H. Hardin Dec 19 2011


STATUS

approved



