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Search: id:A157030
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| 1, 2, 0, 2, 1, 0, 4, 0, 1, 0, 2, 1, 1, 1, 0, 8, 3, 0, 0, 1, 0, 2, 1, 1, 1, 1, 1, 0, 10, 0, 5, 0, 1, 0, 1, 0, 8, 7, 0, 1, 1, 0, 1, 1, 0, 12, 5, 6, 5, 0, 0, 10, 1, 0, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 34, 10, 10, 0, 7, 0, 10, 0, 0, 1, 0
(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 = A156834: (1, 2, 3, 5, 5, 12, 7, 17,...). Left border = A157019: (1, 2, 2, 4, 2, 8, 2, 10,...).
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FORMULA
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Triangle read by rows, A156834 * A054521; as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle =
1;
2, 0;
2, 1, 0;
4, 0, 1, 0;
2, 1, 1, 1, 0;
8, 3, 0, 0, 1, 0;
2, 1, 1, 1, 1, 1, 0;
10, 0, 5, 0, 1, 0, 1, 0;
8, 7, 0, 1, 1, 0, 1, 1, 0;
12, 5, 6, 5, 0, 0, 10, 1, 0;
2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0;
34, 10, 10, 0, 7, 0, 1, 0, 0, 0, 1, 0;
2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0;
...
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CROSSREFS
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Cf. A156834, A054521, A156834
Sequence in context: A097364 A074905 A058548 this_sequence A080844 A076626 A108731
Adjacent sequences: A157027 A157028 A157029 this_sequence A157031 A157032 A157033
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KEYWORD
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nonn,tabl,more
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AUTHOR
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Gary W. Adamson and Mats Granvik (qntmpkt(AT)yahoo.com), Feb 21 2009
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