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Search: id:A038737
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| 1, 6, 23, 73, 211, 581, 1560, 4135, 10890, 28590, 74946, 196326, 514123, 1346148, 3524441, 9227311, 24157645, 63245795, 165579930, 433494205, 1134902916, 2971214796, 7778741748, 20365010748, 53316290821, 139583862066
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OFFSET
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2,2
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FORMULA
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Fifth diagonal of array defined by T(i, 1)=T(1, j)=1, T(i, j)=Max(T(i-1, j)+T(i-1, j-1); T(i-1, j-1)+T(i, j-1)) - Benoit Cloitre (benoit7848c(AT)orange.fr), Aug 05 2003
G.f.: 1/[(1-3x+x^2)(1-x)^3].
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CROSSREFS
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Apparently the same as A038797.
Adjacent sequences: A038734 A038735 A038736 this_sequence A038738 A038739 A038740
Sequence in context: A119712 A005745 A045618 this_sequence A038797 A136530 A054459
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu), May 02 2000
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