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Search: id:A131054
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| 1, 1, 1, 2, 1, 1, 2, 4, 1, 1, 3, 4, 7, 1, 1, 3, 9, 7, 11, 1, 1, 4, 9, 22, 11, 16, 1, 1, 4, 16, 22, 46, 16, 22, 1, 1, 5, 16, 50, 46, 86, 22, 29, 1, 1, 5, 5, 25, 50, 130, 86, 148, 29, 37, 1, 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 = 2^n.
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FORMULA
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A000012 * A119467 as infinite lower triangular matrices.
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EXAMPLE
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First few rows of the triangle are:
1;
1, 1;
2, 1, 1;
2, 4, 1, 1;
3, 4, 7, 1, 1;
3, 9, 7, 11, 1, 1;
4, 9, 22, 11, 16, 1, 1;
4, 16, 22, 46, 16, 22, 1, 1;
...
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CROSSREFS
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Cf. A000012, A119467.
Sequence in context: A113143 A136788 A136450 this_sequence A056648 A056061 A029265
Adjacent sequences: A131051 A131052 A131053 this_sequence A131055 A131056 A131057
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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), Jun 12 2007
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