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Search: id:A128259
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| 1, 2, 1, 1, 2, 1, 2, 1, 3, 1, 1, 0, 0, 4, 1, 2, 3, 1, 0, 5, 1, 1, 0, 0, 0, 0, 6, 1, 2, 1, 3, 1, 0, 0, 7, 1, 1, 2, 1, 0, 0, 0, 0, 8, 1, 2, 1, 0, 4, 1, 0, 0, 0, 9, 1
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = sigma(n), A000203: (1, 3, 4, 7, 6, 12, 8,...) A128260 = A128229 * A051731
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FORMULA
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A051731 * A128229
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
1, 2, 1;
2, 1, 3, 1;
1, 0, 0, 4, 1;
2, 3, 1, 0, 5, 1;
...
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CROSSREFS
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Cf. A128229, A051731, A000203, A128260.
Adjacent sequences: A128256 A128257 A128258 this_sequence A128260 A128261 A128262
Sequence in context: A065203 A029396 A084746 this_sequence A051194 A134838 A049843
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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), Feb 21 2007
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