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| A203835型 |
| T（n，k）=每个2X2子块具有相等对角元素或相等反对角元素的（n+1）X（k+1）0..2数组的数目 |
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45, 225, 225, 1125, 1971, 1125, 5625, 17289, 17289, 5625, 28125, 151659, 270333, 151659, 28125, 140625, 1330353, 4238721, 4238721, 1330353, 140625, 703125, 11669859, 66490965, 119606211, 66490965, 11669859, 703125, 3515625, 102368025
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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抵消
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1,1
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评论
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表格开始
……45……225……1125……5625………28125
.....225......1971........17289.........151659...........1330353
....1125.....17289.......270333........4238721..........66490965
....5625....151659......4238721......119606211........3383285769
...28125...1330353.....66490965.....3383285769......173185290765
..140625..11669859...1043088057....95763046491.....8882824128417
..703125.102368025..16363800045..2710984443345...455911325162757
.3515625.897972507.256713156657.76749227497395.23404859123410809
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链接
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配方奶粉
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k列的经验值：
k=1:a（n）=9*5^n
k=2:a（n）=9*a（n-1）-2*a（n-2）
k=3:a（n）=19*a（n-1）-54*a（n-2）+32*a（n-3）
k=4：a（n）=31*a（n-1）-24*a（n2）-1612*a（n-3）+3816*a（-n4）+1152*a（n-5）-2784*a
k=5:（顺序12重复）
k=6:（顺序28重复）
k=7：（顺序54重复）
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例子
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n=4k=3的一些解
..0..2..0..1....2..1..0..0....0..1..2..0....0..0..2..0....2..1..0..2
..2..0..1..0....1..1..1..0....1..2..2..2....0..2..2..2....2..2..1..0
..0..2..0..1....2..1..2..1....0..1..2..2....1..0..2..2....1..2..2..1
..2..0..0..0....2..2..2..2....0..0..1..2....2..1..0..2....0..1..2..2
..2..2..0..1....1..2..1..2....2..0..0..1....1..2..1..0....2..0..1..2
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交叉参考
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经核准的
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