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Search: id:A134478
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| A134478 |
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Triangle read by rows, T(0,0) = 1; n-th row = (n+1) terms of n, n+1, n+2... |
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+0
3
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| 1, 1, 2, 2, 3, 4, 3, 4, 5, 6, 4, 5, 6, 7, 8, 5, 6, 7, 8, 9, 10, 6, 7, 8, 9, 10, 11, 12, 7, 8, 9, 10, 11, 12, 13, 14, 8, 9, 10, 11, 12, 13, 14, 15, 16, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
(list; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums = A134479: (1, 3, 9, 18, 30, 45,...).
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EXAMPLE
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First few rows of the triangle are:
1;
1, 2;
2, 3, 4;
3, 4, 5, 6;
4, 5, 6, 7, 8;
5, 6, 7, 8, 9, 10;
6, 7, 8, 9, 10, 11, 12;
7, 8, 9, 10, 11, 12, 13, 14;
...
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CROSSREFS
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Cf. A134479.
Adjacent sequences: A134475 A134476 A134477 this_sequence A134479 A134480 A134481
Sequence in context: A112342 A063712 A106251 this_sequence A051162 A122872 A132919
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Oct 27 2007
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