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Search: id:A132048
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| 1, 1, 1, 1, 5, 1, 1, 8, 8, 1, 1, 11, 17, 11, 1, 1, 14, 29, 29, 14, 1, 1, 17, 44, 59, 44, 17, 1, 1, 20, 62, 104, 104, 62, 20, 1, 1, 23, 83, 167, 209, 167, 83, 23, 1, 1, 26, 107, 251, 377, 377, 251, 107, 26, 1
(list; table; graph; listen)
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OFFSET
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0,5
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COMMENT
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Row sums = A077802: (1, 2, 7, 18, 41, 88,...).
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FORMULA
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3*A007318 - A103451 - A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
1, 5, 1;
1, 8, 8, 1;
1, 11, 17, 11, 1;
1, 14, 29, 29, 14, 1;
1, 17, 44, 59, 44, 17, 1;
...
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CROSSREFS
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Cf. A007318, A103451, A000012, A077802.
Sequence in context: A131404 A078181 A054110 this_sequence A141398 A058281 A046583
Adjacent sequences: A132045 A132046 A132047 this_sequence A132049 A132050 A132051
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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), Aug 08 2007
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