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(来自的问候整数序列在线百科全书!)
A217954型 T(n,k)=n个元素0..3个数组的数量,每个元素是n+k-1个元素的随机0..3数组中k个相邻元素的最小值。 10
4, 4, 16, 4, 16, 64, 4, 16, 50, 256, 4, 16, 50, 144, 1024, 4, 16, 50, 130, 422, 4096, 4, 16, 50, 130, 310, 1268, 16384, 4, 16, 50, 130, 296, 736, 3823, 65536, 4, 16, 50, 130, 296, 624, 1821, 11472, 262144, 4, 16, 50, 130, 296, 610, 1289, 4673, 34350, 1048576, 4, 16 (列表桌子图表参考历史文本内部格式)
偏移
1,1
评论
请参见A228461号以获取对定义的评论-N.J.A.斯隆2013年9月2日
表格开始
........4......4......4.....4.....4.....4.....4.....4.....4.....4.....4.....4
.......16.....16.....16....16....16....16....16....16....16....16....16....16
……..64…..50…..50…..50…..50…..50…..50…..50…..50…..50…..50…..50
......256....144....130...130...130...130...130...130...130...130...130...130
.....1024....422....310...296...296...296...296...296...296...296...296...296
.....4096...1268....736...624...610...610...610...610...610...610...610...610
....16384...3823...1821..1289..1177..1163..1163..1163..1163..1163..1163..1163
....65536..11472...4673..2741..2209..2097..2083..2083..2083..2083..2083..2083
...262144..34350..12107..6134..4202..3670..3558..3544..3544..3544..3544..3544
..1048576.102896..31103.14269..8366..6434..5902..5790..5776..5776..5776..5776
..4194304.308419..79039.33577.17569.11666.9734.9202.9090.9076.9076.9076.9076
.16777216.924532.199819.78304.38251.22313.16410.14478.13946.13834.13820.13820
链接
配方奶粉
k列的经验值:
k=2:a(n)=4*a(n-1)-6*a
k=3:a(n)=4*a(n-1)-6*a
k=4:a(n)=4*a(n-1)-6*a(n-2)+4*a
k=5:a(n)=4*a(n-1)-6*a
k=6:a(n)=4*a(n-1)-6*a(n-2)+4*a(n-3)-a
k=7:a(n)=4*a(n-1)-6*a(n-2)+4*a(n-3)-a(n-4)+6*a(8-8)-4*a(-n-9)+6*a(n-10)+4*b(n-11)+5*a(-12)+6*13)+7*a)+a(n-22)
对角线:a(n)=(1/720)*n^6+(1/48)*n*5+(23/144)*n_4+(9/16)*n_3+(241/180)*n_2+(11/12)*n+1
例子
n=4k=4的一些解
..0....1....0....1....1....0....1....2....0....1....1....1....0....0....3....0
..0....1....1....1....3....3....2....2....2....1....2....2....1....2....3....2
..1....3....3....2....3....2....3....3....2....1....1....3....1....2....2....3
..1....1....3....3....0....0....0....1....0....0....1....3....0....1....2....0
交叉参考
第2列为A203094号(n+1)。A217949型也是一个列。囊性纤维变性。A228461号,A217883型.
关键词
非n,
作者
R.H.哈丁,建议对角线可以是多项式L.埃德森·杰弗里在2012年10月15日的序列粉丝邮件列表中
状态
经核准的

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上次修改时间:美国东部夏令时2024年4月19日03:05。包含371782个序列。(在oeis4上运行。)