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Search: id:A129688
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| 1, 0, 1, 2, 0, 1, 0, 2, 0, 1, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 1, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 1, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1
(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 = A109613: (1, 1, 3, 3, 5, 5,...).
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FORMULA
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A129686 * A128174 as infinite lower triangular matrices. (1, 0, 2, 0, 2, 0, 2,...) in every column.
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EXAMPLE
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First few rows of the triangle are:
1;
0, 1;
2, 0, 1;
0, 2, 0, 1;
2, 0, 2, 0, 1;
...
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CROSSREFS
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Cf. A129686, A128174, A109613.
Sequence in context: A039995 A035232 A091603 this_sequence A086713 A049771 A139366
Adjacent sequences: A129685 A129686 A129687 this_sequence A129689 A129690 A129691
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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), Apr 28 2007
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