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1, -1, 2, -1, 0, 4, 0, -2, 0, 8, -1, 0, 0, 0, 16, 1, -2, -4, 0, 0, 32, -1, 0, 0, 0, 0, 0, 64, 0, 0, 0, -8, 0, 0, 0, 128, 0, 0, -4, 0, 0, 0, 0, 0, 256, 1, -2, 0, 0, -16, 0, 0, 0, 0, 512, -1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1024, 0, 2, 0, -8, 0, -32, 0, 0, 0, 0, 0, 2048
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,3
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COMMENTS
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Row sums = A000740 starting with offset 1: (1, 1, 3, 6, 15, 27, 63,...).
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LINKS
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FORMULA
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Mobius transform of A130123, where A130123 = an infinite lower triangular matrix with (1, 2, 4, 8,...) in the main diagonal and the rest zeros.
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EXAMPLE
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First few rows of the triangle =
1;
-1, 2;
-1, 0, 4;
0, -2, 0, 8;
-1, 0, 0, 0, 16;
1, -2, -4, 0, 0, 32;
-1, 0, 0, 0, 0, 0, 64;
0, 0, 0, -8, 0, 0, 0, 128;
...
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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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