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A235893型
T(n,k)=每个2X2子块中最小值加上上中位数等于下中位数加上最大值的(n+1)X(k+1)0..3数组的数量
9
40, 112, 112, 352, 232, 352, 1216, 568, 568, 1216, 4480, 1624, 1096, 1624, 4480, 17152, 5272, 2536, 2536, 5272, 17152, 67072, 18712, 6952, 4744, 6952, 18712, 67072, 265216, 70168, 21928, 10696, 10696, 21928, 70168, 265216, 1054720, 271384, 76456, 28744
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1,1
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表格开始
......40.....112.....352....1216....4480...17152...67072..265216..1054720
.....112.....232.....568....1624....5272...18712...70168..271384..1067032
.....352.....568....1096....2536....6952...21928...76456..283816..1091752
....1216....1624....2536....4744...10696...28744...89416..309064..1141576
....4480....5272....6952...10696...19720...43912..116872..361096..1242760
...17152...18712...21928...28744...43912...80392..177928..471304..1451272
...67072...70168...76456...89416..116872..177928..324616..716296..1892872
..265216..271384..283816..309064..361096..471304..716296.1304584..2874376
.1054720.1067032.1091752.1141576.1242760.1451272.1892872.2874376..5230600
.4206592.4231192.4280488.4379464.4578952.4984072.5818888.7586824.11515912
链接
配方奶粉
对角线和列k的经验值(k=2..7递归也适用于k=1;显然所有行和列满足相同的3阶递归):
对角线:a(n)=7*a(n-1)-14*a(n-2)+8*a(n-3)
k=1:a(n)=6*a(n-1)-8*a(n-2)
k=2..7..(?):a(n)=7*a(n-1)-14*a(n-2)+8*a(n-3)
例子
n=4k=4的一些解
..1..3..1..3..1....1..1..1..2..2....1..3..1..3..1....0..3..0..2..3
..1..3..1..3..1....1..1..1..2..2....3..1..3..1..3....0..3..0..2..3
..1..3..1..3..1....1..1..1..2..2....1..3..1..3..1....0..3..0..2..3
..1..3..1..3..1....1..1..1..2..2....1..3..1..3..1....0..3..0..2..3
..1..3..1..3..1....2..2..2..1..1....3..1..3..1..3....0..3..0..2..3
关键词
非n,
作者
R.H.哈丁2014年1月16日
状态
经核准的