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Search: id:A130127
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| 1, 1, 2, 2, 2, 4, 2, 4, 4, 8, 3, 4, 8, 8, 16, 3, 6, 8, 16, 16, 32, 4, 6, 12, 16, 32, 32, 64, 4, 8, 12, 24, 32, 64, 64, 128, 5, 8, 16, 24, 48, 64, 128, 128, 256, 5, 10, 16, 32, 48, 96, 128, 256, 256, 512
(list; table; graph; listen)
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OFFSET
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1,3
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COMMENT
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Row sums = A011377: (1, 3, 8, 18, 39,...). A130126 = A130125 * A000012.
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FORMULA
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A000012 * A130125
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EXAMPLE
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First few rows of the triangle are:
1;
1, 2;
2, 2, 4;
2, 4, 4, 8;
3, 4, 8, 8, 16;
3, 6, 8, 16, 16, 32;
4, 6, 12, 16, 32, 32, 64;
...
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CROSSREFS
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Cf. A000012, A130125, A130126, A011377.
Adjacent sequences: A130124 A130125 A130126 this_sequence A130128 A130129 A130130
Sequence in context: A064129 A005137 A105681 this_sequence A098069 A135838 A114349
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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 11 2007
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