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Search: id:A130124
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| 1, 2, 4, 4, 8, 12, 8, 16, 24, 32, 16, 32, 48, 64, 80, 32, 64, 96, 128, 160, 192, 64, 128, 192, 256, 320, 384, 448, 128, 256, 384, 512, 640, 768, 896, 1024, 256, 512, 768, 1024, 1280, 1536, 1792, 2048, 2304
(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 = A001780, (1, 6, 24, 80, 240,...).
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FORMULA
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A130123 * A002260, where A130123 = the 2^n transform, and A002260 = [1; 1, 2; 1, 2, 3;...).
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EXAMPLE
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First few rows of the triangle are:
1;
2, 4;
4, 8, 12;
8, 16, 24, 32;
16, 32, 48, 64, 80;
32, 64, 96, 128, 160, 192;
...
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CROSSREFS
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Cf. A001780, A130123, A002260.
Sequence in context: A034408 A027131 A055946 this_sequence A076342 A135268 A131771
Adjacent sequences: A130121 A130122 A130123 this_sequence A130125 A130126 A130127
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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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