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Search: id:A130266
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| 1, 1, 2, 4, 1, 3, 2, 5, 1, 4, 7, 2, 6, 1, 5, 3, 8, 2, 7, 1, 6, 10, 3, 9, 2, 8, 1, 7, 4, 11, 3, 10, 2, 9, 1, 8, 13, 4, 12, 3, 11, 2, 10, 1, 9, 5, 14, 4, 13, 3, 12, 2, 11, 1, 10
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums = A014255: (1, 3, 8, 12, 21, 27, 40,...). Left border = A123684: (1, 1, 4, 2, 7, 3, 10, 4,...).
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FORMULA
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A051340 * A128174 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 2;
4, 1, 3;
2, 5, 1, 4;
7, 2, 6, 1, 5;
3, 8, 2, 7, 1, 6;
10, 3, 9, 2, 8, 1, 7;
...
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CROSSREFS
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Cf. A051340, A128174, A014255, A123684.
Sequence in context: A131398 A050980 A053451 this_sequence A117137 A002344 A011233
Adjacent sequences: A130263 A130264 A130265 this_sequence A130267 A130268 A130269
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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), May 18 2007
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