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Search: id:A134352
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| 1, 0, 2, 4, 0, 4, 0, 8, 0, 8, 16, 0, 16, 0, 16, 0, 32, 0, 32, 0, 32, 64, 0, 64, 0, 64, 0, 64, 0, 128, 0, 128, 0, 128, 0, 128, 256, 0, 256, 0, 256, 0, 256, 0, 256, 0, 512, 0, 512, 0, 512, 0, 512, 0, 512
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OFFSET
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0,3
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COMMENT
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Row sums = A134353
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FORMULA
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A130123 * A128174 as infinite lower triangular matrices. Triangle read by rows: even n-th row = n+1 terms of (2^n, 0, 2^n,...); odd n-th row = n+1 terms of (0, 2^n, 0, 2^n,...).
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EXAMPLE
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First few rows of the triangle are:
1;
0, 2;
4, 0, 4;
0, 8, 0, 8;
16, 0, 16, 0, 16;
0, 32, 0, 32, 0, 32;
...
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CROSSREFS
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Cf. A130123, A128174, A134353.
Sequence in context: A021420 A011994 A054003 this_sequence A152648 A140875 A115368
Adjacent sequences: A134349 A134350 A134351 this_sequence A134353 A134354 A134355
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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), Oct 21 2007
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