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Search: id:A085845
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| A085845 |
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Triangle T(n, k) read by rows; given by [0, 1, 0, 1, 0, 1, ...] DELTA [1, 1, 2, 5, 14, 42, 132, 429, 1430, ...] (A000108) where DELTA is Deleham's operator defined in A084938. |
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1
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| 1, 0, 1, 0, 1, 2, 0, 1, 6, 6, 0, 1, 12, 40, 30, 0, 1, 20, 156, 474, 338, 0, 1, 30, 440, 4222, 15592, 11782, 0, 1, 42, 1010, 23030, 394082, 1779222, 1407202, 0, 1, 56, 2016, 88088, 5060140, 142358644, 709653964, 572269334, 0, 1, 72, 3640
(list; table; graph; listen)
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OFFSET
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0,6
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EXAMPLE
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1; 0,1; 0,1,2; 0,1,6,6; 0,1,12,40,30; ...
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CROSSREFS
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Sequence in context: A128722 A114709 A089949 this_sequence A138106 A131689 A114329
Adjacent sequences: A085842 A085843 A085844 this_sequence A085846 A085847 A085848
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KEYWORD
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nonn,tabl
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Aug 16 2003
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