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Search: id:A134394
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| 1, 2, 1, 3, 3, 1, 4, 6, 4, 1, 5, 10, 9, 5, 1, 6, 15, 16, 21, 6, 1, 7, 21, 25, 22, 25, 7, 1, 8, 28, 36, 35, 28, 18, 8, 1, 9, 36, 49, 51, 45, 34, 21, 9, 1, 10, 45, 64, 70, 66, 55, 40, 24, 10, 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 = A055795: (1, 3, 7, 15, 30, 56, 98,...).
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FORMULA
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A000012 * A077028 as infinite lower triangular matrices. Triangle, partial sums of A077028 column terms.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
3, 3, 1;
4, 6, 4, 1;
5, 10, 9, 5, 1;
6, 15, 16, 12, 6, 1;
7, 21, 25, 22, 15, 7, 1;
...
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CROSSREFS
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Cf. A077028, A055795.
Sequence in context: A074659 A131251 A057145 this_sequence A074909 A135278 A034356
Adjacent sequences: A134391 A134392 A134393 this_sequence A134395 A134396 A134397
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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 23 2007
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