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A134841
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Triangle read by rows: first n terms of n-th row of an array formed by A126988 * A053731(transform).
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1
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1, 2, 3, 3, 3, 4, 4, 6, 4, 7, 5, 5, 5, 5, 6, 6, 9, 8, 9, 6, 12, 7, 7, 7, 7, 7, 7, 8, 8, 12, 8, 14, 8, 12, 8, 15, 9, 9, 12, 9, 9, 12, 9, 9, 13, 10, 15, 10, 15, 12, 15, 10, 15, 10, 18
(list;
table;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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0,2
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COMMENTS
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Right border = sigma(n), A000203: (1, 3, 4, 7, 6, 12, ...).
Row sums = A001157: (1, 5, 10, 21, 26, 50, 50, ...).
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LINKS
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EXAMPLE
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First few terms of the array:
1, 1, 1, 1, 1, 1, 1, ...
2, 3, 2, 3, 2, 3, 2, ...
3, 3, 4, 3, 3, 4, 3, ...
4, 6, 4, 7, 4, 6, 4, ...
5, 5, 5, 5, 5, 6, 5, ...
6, 9, 8, 9, 6, 12, 6, ...
7, 7, 7, 7, 7, 7, 8, ...
...
First few rows of the triangle:
1;
2, 3;
3, 3, 4;
4, 6, 4, 7;
5, 5, 5, 5, 6;
6, 9, 8, 9, 6, 12;
7, 7, 7, 7, 7, 7, 8,
...
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CROSSREFS
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KEYWORD
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AUTHOR
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STATUS
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approved
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