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Search: id:A131900
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| 1, 1, 2, 3, 0, 3, 3, 1, 0, 4, 5, 0, 1, 0, 5, 5, 1, 0, 1, 0, 6, 7, 0, 1, 0, 1, 0, 7, 7, 1, 0, 1, 0, 1, 0, 8, 9, 0, 1, 0, 1, 0, 1, 0, 9, 9, 1, 0, 1, 0, 1, 0, 1, 0, 10
(list; table; graph; listen)
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OFFSET
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0,3
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COMMENT
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Row sums = A047219, numbers congruent to {1, 3} mod 5: (1, 3, 6, 8, 11, 13,...).
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FORMULA
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A131821 + A128174 - A000012 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 2;
3, 0, 3;
3, 1, 0, 4;
5, 0, 1, 0, 5;
5, 1, 0, 1, 0, 6;
7, 0, 1, 0, 1, 0, 7;
...
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CROSSREFS
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Cf. A131821, A128174, A047219.
Sequence in context: A137998 A080593 A051933 this_sequence A082116 A079777 A047773
Adjacent sequences: A131897 A131898 A131899 this_sequence A131901 A131902 A131903
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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), Jul 25 2007
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