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Search: id:A131922
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| 1, 2, 3, 3, 5, 5, 4, 7, 7, 7, 5, 9, 9, 9, 9, 6, 11, 11, 11, 11, 11, 7, 13, 13, 13, 13, 13, 13, 8, 15, 15, 15, 15, 15, 15, 15, 9, 17, 17, 17, 17, 17, 17, 17, 17, 10, 19, 19, 19, 19, 19, 19, 19, 19, 19
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A001844: (1, 5, 13, 25, 41, 61, 85,...).
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FORMULA
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2*A002024 - A130196 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 3;
3, 5, 5;
4, 7, 7, 7;
5, 9, 9, 9, 9;
...
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CROSSREFS
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Cf. A002024, A130196, A001844.
Sequence in context: A046146 A081768 A072923 this_sequence A113730 A083662 A130149
Adjacent sequences: A131919 A131920 A131921 this_sequence A131923 A131924 A131925
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 29 2007
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