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Search: id:A128224
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| 1, 3, 2, 5, 7, 3, 7, 15, 13, 4, 9, 26, 34, 21, 5, 11, 40, 70, 65, 31, 6, 13, 57, 125, 155, 111, 43, 7, 15, 77, 203, 315, 301, 175, 57, 8, 17, 100, 308, 574, 686, 532, 260, 73, 9, 19, 126, 444, 966, 1386, 876, 369, 91, 10
(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 = A099035: (1, 5, 15, 39, 95, 223, 511, 1151,...)
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REFERENCES
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A007318 * A128799 (unsigned) as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
3, 2;
5, 7, 3;
7, 15, 13, 4;
9, 26, 34, 21, 5;
11, 40, 70, 65, 31, 6;
13, 57, 125, 155, 111, 43, 7;
...
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CROSSREFS
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Cf. A007318, A127899, A099035.
Sequence in context: A139140 A047074 A021311 this_sequence A125026 A130295 A006369
Adjacent sequences: A128221 A128222 A128223 this_sequence A128225 A128226 A128227
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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), Feb 19 2007
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