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R.H.Hardin，<a href=“/A239340型/b239340.txt“>n表，n=1..180时为a（n）</a>

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T（n，k）=没有元素的nXk 0..3数组的数量等于1加上左边元素的和或3加上上面元素的和，模4

2, 5, 5, 12, 31, 12, 28, 172, 172, 28, 66, 926, 2187, 926, 66, 156, 5078, 27341, 27341, 5078, 156, 368, 27861, 346028, 790681, 346028, 27861, 368, 868, 152260, 4360887, 22952323, 22952323, 4360887, 152260, 868, 2048, 832207, 54774178, 663249556

1,1

表格开始

....2.......5.........12.............28................66..................156

....5......31........172............926..............5078................27861

...12.....172.......2187..........27341............346028..............4360887

...28.....926......27341.........790681..........22952323............663249556

...66....5078.....346028.......22952323........1527488498.........101276030555

..156...27861....4360887......663249556......101276030555.......15397080750829

..368..152260...54774178....19117551262.....6693244281896.....2331550702010844

..868..832207..688266175...550960518608...442014330398515...352742924096563362

.2048.4550810.8649330696.15873533676775.29178369838713161.53342694175522093768

k列的经验值：

k=1:a（n）=2*a（n-1）+2*a（n-3）

k=2:[顺序16]

k=3:[顺序64]

n=3k=4的一些解

..2..0..2..0....2..0..2..0....2..1..2..0....0..2..0..1....2..0..0..2

..0..0..2..2....3..1..3..2....2..2..0..0....0..0..2..2....3..1..0..0

..2..1..2..0....3..1..3..2....0..0..3..1....0..2..2..3....2..2..2..2

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非n,表格

R.H.哈丁2014年3月16日

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