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1, 1, 2, 2, 2, 5, 4, 4, 5, 13, 8, 8, 10, 13, 34, 16, 16, 20, 26, 34, 89, 32, 32, 40, 52, 68, 89, 233, 64, 64, 80, 104, 136, 178, 233, 610, 128, 128, 160, 208, 272, 356, 466, 610, 1597, 256, 256, 320, 416, 544, 712, 932, 1220, 1597, 4181
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OFFSET
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0,3
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COMMENTS
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Row sums = A061667: (1, 3, 9, 26, 73, 201, ...).
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LINKS
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FORMULA
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Let M = an infinite lower triangular matrix with A011782: (1, 1, 2, 4, 8, 16, ...) in every column; and Q = an infinite lower triangular matrix with odd-indexed Fibonacci numbers, A001519: (1, 2, 5, 13, 34, 89, ...) as the main column and the rest zeros.
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EXAMPLE
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First few rows of the triangle =
1;
1, 2;
2, 2, 5;
4, 4, 5, 13;
8, 8, 10, 13, 34;
16, 16, 20, 26, 34, 89;
32, 32, 40, 52, 68, 89, 233;
64, 64, 80, 104, 136, 178, 233, 610;
128, 128, 160, 208, 272, 356, 466, 610, 1597;
256, 256, 320, 416, 544, 712, 932, 1220, 1597, 4181;
...
Row 3 = (4, 4, 5, 13) = termwise products of (4, 2, 1, 1) and (1, 2, 5, 13). Row 3 sum of terms = 26 = (1, 1, 2, 4) convolved with (1, 2, 5, 13).
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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