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(来自的问候整数序列在线百科全书!)
A200057型 T(n,k)=零和元素和元素严格递增和严格递减交替出现的n个元素的-k..k数组数x(0..n-1) 11
1, 1, 2, 1, 4, 4, 1, 6, 10, 4, 1, 8, 22, 26, 6, 1, 10, 36, 78, 68, 10, 1, 12, 56, 172, 288, 178, 14, 1, 14, 78, 324, 840, 1098, 472, 22, 1, 16, 106, 546, 1948, 4172, 4224, 1276, 34, 1, 18, 136, 850, 3914, 11962, 20978, 16432, 3462, 52, 1, 20, 172, 1252, 7074, 28554, 74338 (列表桌子图表参考历史文本内部格式)
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1,3
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表格开始
..1....1......1.......1........1........1.........1..........1..........1
..2....4......6.......8.......10.......12........14.........16.........18
..4...10.....22......36.......56.......78.......106........136........172
..4...26.....78.....172......324......546.......850.......1252.......1764
..6...68....288.....840.....1948.....3914......7074......11862......18732
.10.178…1098…4172…11962…28554…59910…114232…202314
.14..472...4224...20978....74338...211242....514168....1115572....2215290
.22.1276..16432..106674...466548..1577878...4453946...10995240...24477966
.34.3462..64310..545698..2947742.11867186..38855488..109147062..272432422
.52.9496.253692.2811236.18746754.89815404.341052122.1090022120.3050199016
链接
例子
n=7 k=6的一些解
..3....0...-2....1....0...-3....0....0...-3....0...-3...-3....3...-3....0...-6
.-1...-3...-6....0...-1....6....2....5...-6....5...-6....0...-3...-2...-4....3
..0....5....6....3....6...-3...-2...-5....4...-5....3...-1....3...-3....4...-2
.-4....2...-5...-4...-3...-2....1....6...-5....6...-3....4...-5....1...-6....5
..4....4....1...-1...-1...-4...-5...-3....5...-3....6...-1....4...-1....6....1
.-3…-6….0…-3…-6….6….4….1…-1….2…-3…-3….6…-5….3
..1...-2....6....4....5....0....0...-4....6...-5....6...-2....1....2....5...-4
交叉参考
第1列是两次A077419号对于n>1
第3行是两次A171769号
关键词
非n,
作者
R.H.哈丁2011年11月13日
状态
经核准的

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