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A206094型
T(n,k)=(n+1)X(k+1)0..2数组的数量,每2 X 3或3 X 2子块正好有两个逆时针边和两个顺时针边增加。
9
81, 270, 270, 972, 780, 972, 3564, 2016, 2016, 3564, 13608, 5952, 4560, 5952, 13608, 52812, 17976, 13344, 13344, 17976, 52812, 205416, 54432, 33792, 48816, 33792, 54432, 205416, 803844, 165936, 86496, 131904, 131904, 86496, 165936, 803844
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表格开始
.....81....270....972....3564....13608.....52812.....205416......803844
....270....780...2016....5952....17976.....54432.....165936......504912
....972...2016...4560...13344....33792.....86496.....240192......608256
...3564...5952..13344...48816...131904....444480....1645920.....4484736
..13608..17976..33792..131904...516912...2156544....8613504....34039392
..52812..54432..86496..444480..2156544..10584000...56633472...279244800
.205416.165936.240192.1645920..8613504..56633472..408445632..2199502080
.803844.504912.608256.4484736.34039392.279244800.2199502080.17222950080
链接
配方奶粉
k列的经验值:
k=1:a(n)=4*a(n-1)-a(n-2)+12*a(n3)-36*a(n-4)
k=2:a(n)=a(n-1)+6*a(n-2)+4*a(n-3)-10*a(n-4),对于n>6
k=3:n>6时,a(n)=18*a(n-3)
k=4:a(n)=34*a(n-3),对于n>7
k=5:a(n)=66*a(n-3),对于n>8
k=6:a(n)=130*a(n-3),对于n>9
k=7:a(n)=258*a(n-3),对于n>10
对于k>2和n>k+3,显然a(n)=(2+2^(k+1))*a(n-3)
例子
n=4,k=3的一些解:
..2..0..0..2....0..2..0..2....2..1..0..2....2..2..0..2....0..0..1..2
..1..2..0..0....1..0..0..2....1..0..0..2....0..2..2..0....1..0..0..1
..1..1..2..0....0..0..1..0....0..0..1..0....1..0..2..2....0..1..0..0
..2..1..1..2....0..2..0..0....0..2..0..0....1..1..0..2....0..0..2..2
..0..2..1..1....1..0..0..1....2..0..0..1....2..1..1..0....1..0..2..1
关键词
非n,
作者
R.H.哈丁2012年2月3日
状态
经核准的