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Search: id:A156665
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| 1, 1, 1, 3, 2, 1, 3, 5, 3, 1, 7, 8, 8, 4, 1, 7, 15, 16, 12, 5, 1, 15, 22, 31, 28, 17, 6, 1, 15, 37, 53, 59, 45, 23, 7, 1, 31, 52, 90, 112, 104, 68, 30, 8, 1, 31, 83, 142, 202, 216, 172, 98, 38, 9, 1, 63, 114, 225, 344, 418, 388, 270, 136, 47, 10, 1
(list; table; graph; listen)
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OFFSET
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0,4
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COMMENT
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Row sums = A122746: (1, 2, 6, 12, 28, 56, 120,...).
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FORMULA
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Triangle read by rows, A156663 * A007318
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EXAMPLE
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First few rows of the triangle =
1;
1, 1;
3, 2, 1;
3, 5, 3, 1;
7, 8, 8, 4, 1;
7, 15, 16, 12, 5, 1;
15, 22, 31, 28, 17, 6, 1;
15, 37, 53, 59, 45, 23, 7, 1;
31, 52, 90, 112, 104, 68, 30, 8, 1;
31, 83, 142, 202, 216, 172, 98, 38, 9, 1;
63, 114, 225, 344, 418, 388, 270, 136, 47, 10, 1;
...
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CROSSREFS
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A156663, A122746
Sequence in context: A023636 A081248 A129690 this_sequence A035572 A115215 A158275
Adjacent sequences: A156662 A156663 A156664 this_sequence A156666 A156667 A156668
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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), Feb 12 2009
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