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Search: id:A131953
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| 1, 4, 2, 4, 5, 4, 10, 5, 7, 8, 16, 11, 7, 11, 16, 34, 17, 13, 11, 19, 32, 64, 35, 19, 17, 19, 35, 64, 130, 65, 37, 23, 25, 35, 67, 128, 256, 131, 67, 41, 31, 41, 67, 131, 256, 514, 257, 133, 71, 49, 47, 73, 131, 259, 512
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A101622 starting (1, 6, 13, 30, 61, 126,...).
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FORMULA
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A130321 + A059268 - A000012(signed + - + -,...by columns) as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
4, 2;
4, 5, 4;
10, 5, 7, 8;
16, 11, 7, 11, 16;
34, 17, 13, 11, 19, 32;
64, 35, 19, 17, 19, 35, 64;
...
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CROSSREFS
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Cf. A130321, A059268, A101622.
Sequence in context: A019921 A061469 A021706 this_sequence A007005 A066978 A114566
Adjacent sequences: A131950 A131951 A131952 this_sequence A131954 A131955 A131956
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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), Jul 30 2007
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