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Search: id:A134546
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| 1, 3, 1, 6, 2, 1, 10, 4, 2, 1, 15, 6, 3, 2, 1, 15, 6, 3, 2, 1, 21, 9, 5, 3, 2, 1, 28, 12, 7, 4, 3, 2, 1, 36, 16, 9, 6, 4, 3, 2, 1, 45, 20, 12, 8, 5, 4, 3, 2, 1, 55, 25, 15, 10, 7, 5, 4, 3, 2, 1
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Row sums = A078567: (1, 4, 9, 17, 27, 41, 57,...). Left border = A000217.
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FORMULA
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A004736 * A051731 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
3, 1;
6, 2, 1;
10, 4, 2, 1;
15, 6, 3, 2, 1;
21, 9, 5, 3, 2, 1;
28, 12, 7, 4, 3, 2, 1;
...
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CROSSREFS
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Cf. A004736, A051731, A078567.
Sequence in context: A007650 A067231 A130302 this_sequence A055151 A104573 A010467
Adjacent sequences: A134543 A134544 A134545 this_sequence A134547 A134548 A134549
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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), Oct 31 2007
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