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Search: id:A141157
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| 1, 2, 1, 3, 2, 2, 4, 3, 4, 3, 5, 4, 6, 6, 5, 6, 5, 8, 9, 10, 7, 7, 6, 10, 12, 15, 14, 11, 8, 7, 12, 15, 20, 21, 22, 15, 9, 8, 14, 18, 25, 28, 33, 30, 22, 10, 9, 16, 21, 30, 35, 44, 45, 44, 30, 11, 10, 18, 24, 35, 4255, 60, 66, 60, 42
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Right border = partition numbers, A000041.
Row sums = A014153: (1, 3, 7, 14, 26, 45, 75,...).
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FORMULA
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Triangle read by rows, A000012 * A140207; equivalent to taking partial sums of triangle A140207 terms, by columns.
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
3, 2, 2;
4, 3, 4, 3;
5, 4, 6, 6, 5;
6, 5, 8, 9, 10, 7;
7, 6, 10, 12, 15, 14, 11;
8, 7, 12, 15, 20, 21, 22, 15;
9, 8, 14, 18, 25, 28, 33, 30, 22;
10, 9, 16, 21, 30, 35, 44, 45, 44, 30;
...
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CROSSREFS
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Cf. A140207, A014153, A000041.
Sequence in context: A102364 A132923 A144329 this_sequence A137948 A120933 A064134
Adjacent sequences: A141154 A141155 A141156 this_sequence A141158 A141159 A141160
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson & Roger L. Bagula (qntmpkt(AT)yahoo.com), Jun 12 2008
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