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Search: id:A134543
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| 1, 2, 1, 4, 3, 1, 6, 5, 3, 1, 10, 9, 6, 3, 1, 12, 11, 9, 6, 3, 1, 18, 17, 14, 10, 6, 3, 1, 22, 21, 18, 14, 10, 6, 3, 1, 28, 27, 24, 20, 15, 10, 6, 3, 1, 32, 31, 29, 25, 20, 15, 10, 6, 3, 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 = A015631: (1, 3, 8, 15, 29, 42,...). Left border = A002088: (1, 2, 4, 6, 10, 12, 18, 22,...). Conjecture: row terms starting from the right tend to the triangular series.
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FORMULA
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A134542 * A000012 as infinite lower triangular matrices. Triangle read by rows, partial sums of A134542 terms starting from the right.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
4, 3, 1;
6, 5, 3, 1;
10, 9, 6, 3, 1;
12, 11, 9, 6, 3, 1;
18, 17, 14, 10, 6, 3, 1;
22, 21, 18, 14, 10, 6, 3, 1;
28, 27, 24, 20, 15, 10, 6, 3, 1;
...
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CROSSREFS
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Cf. A134542, A002088, A015631.
Adjacent sequences: A134540 A134541 A134542 this_sequence A134544 A134545 A134546
Sequence in context: A059970 A112157 A093682 this_sequence A093010 A093966 A103406
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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 31 2007
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