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Search: id:A084536
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| 1, 1, 3, 1, 6, 10, 1, 9, 29, 36, 1, 12, 57, 132, 137, 1, 15, 94, 315, 590, 543, 1, 18, 140, 612, 1629, 2628, 2219, 1, 21, 195, 1050, 3605, 8127, 11732, 9285, 1, 24, 259, 1656, 6950, 19992, 39718, 52608, 39587, 1, 27, 332, 2457, 12177, 42498, 106644, 191754
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Reversal of A091965. Row sums give A026378 . - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Mar 23 2007
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REFERENCES
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A. Nkwanta, Lattice paths and RNA secondary structures, in African Americans in Mathematics, ed. N. Dean, Amer. Math. Soc., 1997, pp. 137-147.
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FORMULA
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T(n,n)=A002212(n+1). - Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Mar 23 2007
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EXAMPLE
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1; 1,3; 1,6,10; 1,9,29,36; 1,12,57,132,137; ...
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CROSSREFS
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Adjacent sequences: A084533 A084534 A084535 this_sequence A084537 A084538 A084539
Sequence in context: A065918 A020861 A095066 this_sequence A110770 A106855 A064282
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KEYWORD
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nonn,tabl
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AUTHOR
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njas, Jun 29 2003
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EXTENSIONS
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More terms from Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Mar 23 2007
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