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Search: id:A128187
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| 1, 1, 1, 2, 0, 1, 2, 2, 0, 1, 3, 0, 1, 0, 1, 3, 3, 1, 1, 0, 1, 4, 0, 1, 0, 1, 0, 1, 4, 4, 1, 2, 0, 1, 0, 1, 5, 0, 2, 0, 1, 0, 1, 0, 1, 5, 5, 1, 2, 1, 1, 0, 1, 0, 1
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Row sums = A128188: (1, 2, 3, 5, 5, 9, 7, 13, 10, 17,...)
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FORMULA
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A128174 * A051731 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
2, 0, 1;
2, 2, 0, 1;
3, 0, 1, 0, 1;
3, 3, 1, 1, 0, 1;
4, 0, 1, 0, 1, 0, 1;
4, 4, 1, 2, 0, 1, 0, 1;
...
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CROSSREFS
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Cf. A128188, A128174, A051731.
Sequence in context: A101663 A062169 A113680 this_sequence A133121 A091602 A035465
Adjacent sequences: A128184 A128185 A128186 this_sequence A128188 A128189 A128190
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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), Mar 07 2007
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