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Search: id:A134310
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| 1, 1, 1, 2, 2, 3, 4, 4, 5, 7, 8, 8, 9, 11, 15, 16, 16, 17, 19, 23, 31, 32, 32, 33, 35, 39, 47, 63, 64, 64, 65, 67, 71, 79, 95, 127, 128, 128, 129, 131, 135, 143, 159, 191, 255, 256, 256, 257, 259, 263, 271, 287, 319, 383, 511
(list; table; graph; listen)
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OFFSET
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1,4
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COMMENT
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Row sums = A134311: (1, 2, 7, 20, 51, 122, 281, 632,...).
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FORMULA
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(A000012 * A134309 + A134309 * A000012) - A000012, as infinite lower triangular matrices, where A000012 = (1; 1,1; 1,1,1;...).
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
2, 2, 3;
4, 4, 5, 7;
8, 8, 9, 11, 15;
16, 16, 17, 19, 23, 31;
32, 32, 33, 35, 39, 47, 63;
...
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CROSSREFS
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Cf. A134309, A134311.
Adjacent sequences: A134307 A134308 A134309 this_sequence A134311 A134312 A134313
Sequence in context: A029043 A097920 A029042 this_sequence A029041 A112582 A104648
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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 19 2007
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