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Search: id:A132789
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| 1, 1, 1, 1, 4, 1, 1, 8, 8, 1, 1, 13, 25, 13, 1, 1, 19, 59, 59, 19, 1, 1, 26, 119, 194, 119, 26, 1, 1, 34, 216, 524, 524, 216, 34, 1, 1, 43, 363, 1231, 1833, 1231, 363, 43, 1, 1, 53, 575, 2603, 5417, 5417, 2603, 575, 53, 1
(list; table; graph; listen)
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OFFSET
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1,5
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COMMENT
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Row sums = A132790: (1, 2, 6, 18, 53, 158,...). Column next to left 1's border = A034856: (1, 4, 8, 13, 19, 26,...).
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FORMULA
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A007318 + A001263 - 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, 4, 1;
1, 8, 8, 1;
1, 13, 25, 13, 1;
1, 19, 59, 59, 19, 1;
...
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CROSSREFS
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Cf. A007318, A001263, A034856, A132790.
Sequence in context: A051455 A158687 A141541 this_sequence A100754 A055107 A128137
Adjacent sequences: A132786 A132787 A132788 this_sequence A132790 A132791 A132792
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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 30 2007
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