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Search: id:A004197
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| A004197 |
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Table of min(x,y), where (x,y) = (0,0),(0,1),(1,0),(0,2),(1,1),(2,0),... |
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+0
5
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| 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 2, 1, 0, 0, 1, 2, 2, 1, 0, 0, 1, 2, 3, 2, 1, 0, 0, 1, 2, 3, 3, 2, 1, 0, 0, 1, 2, 3, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6, 5, 4, 3, 2, 1, 0, 0, 1, 2, 3, 4, 5, 6, 6, 5, 4, 3, 2, 1, 0, 0, 1, 2
(list; table; graph; listen)
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OFFSET
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0,13
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COMMENT
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Row sums give A002620. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 27 2005
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FORMULA
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G.f. xy/((1-x)(1-y)(1-xy)). - Frank Adams-Watters (FrankTAW(AT)Netscape.net), Feb 06 2006
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EXAMPLE
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Top left corner of table:
0 0 0 0
0 1 1 1
0 1 2 2
0 1 2 3
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CROSSREFS
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A003983(n) - 1.
Sequence in context: A015339 A137867 A111143 this_sequence A048571 A025880 A058755
Adjacent sequences: A004194 A004195 A004196 this_sequence A004198 A004199 A004200
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KEYWORD
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tabl,nonn,nice
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AUTHOR
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David W. Wilson (davidwwilson(AT)comcast.net)
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