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Search: id:A140583
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| 1, 2, 1, 3, 1, 1, 2, 2, 1, 1, 5, 1, 1, 1, 1, 1, 4, 2, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 1, 1, 1, 1, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 6, 2, 2, 2, 1, 1, 1, 1, 1, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 4, 4, 2, 2, 1, 1, 1, 1, 1, 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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Left column = A014963: (1, 2, 3, 2, 5, 1, 7, 2, 3, 1, ll,...).
Row sums = A140584: (1, 3, 5, 6, 9, 10, 13,...).
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FORMULA
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Triangle read by rows, A140581 * A000012; where A000012 = the infinite lower triangular matrix with all 1's and the rest zeros: [1; 1,1; 1,1,1;...].
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
3, 1, 1;
2, 2, 1, 1;
5, 1, 1, 1, 1;
1, 4, 2, 1, 1, 1;
7, 1, 1, 1, 1, 1, 1;
2, 2, 2, 2, 1, 1, 1, 1;
3, 3, 3, 1, 1, 1, 1, 1, 1;
1, 6, 2, 2, 2,1, 1, 1, 1, 1;
...
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CROSSREFS
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Cf. A014963, A140584, A140581.
Sequence in context: A058564 A087157 A138618 this_sequence A123507 A122580 A107041
Adjacent sequences: A140580 A140581 A140582 this_sequence A140584 A140585 A140586
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson and Mats Granvik (qntmpkt(AT)yahoo.com), May 17 2008
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