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Search: id:A134480
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| 1, 3, 2, 9, 7, 4, 18, 15, 11, 6, 30, 26, 21, 15, 8, 45, 40, 34, 27, 19, 10, 63, 57, 50, 42, 33, 23, 12, 84, 77, 69, 60, 50, 39, 27, 14, 108, 100, 91, 81, 70, 58, 45, 31, 16, 135, 126, 116, 105, 93, 80, 66, 51, 35, 18
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A134481: (1, 5, 20, 50, 100, 175,...). Left border = A134479.
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FORMULA
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A134478 * A000012 as infinite lower triangular matrices. Triangle read by rows, partial sums of A134478 terms starting from the right.
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EXAMPLE
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First few rows of the triangle are:
1;
3, 2;
9, 7, 4;
18, 15, 11, 6;
30, 26, 21, 15, 8;
45, 40, 34, 27, 19, 10;
63, 57, 50, 42, 33, 23, 12;
...
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CROSSREFS
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Cf. A134478, A134481, A134479.
Sequence in context: A082819 A078478 A019778 this_sequence A011323 A072027 A061898
Adjacent sequences: A134477 A134478 A134479 this_sequence A134481 A134482 A134483
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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 27 2007
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