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A127625
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Triangle T(n,k) = binomial(n-1,k-1)*A001511(k), 1<=k<=n, read by rows.
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0
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1, 1, 2, 1, 4, 1, 1, 6, 3, 3, 1, 8, 6, 12, 1, 1, 10, 10, 30, 5, 2, 1, 12, 15, 60, 15, 12, 1, 1, 14, 21, 105, 35, 42, 7, 4, 1, 16, 28, 168, 70, 112, 28, 32, 1
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OFFSET
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1,3
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COMMENTS
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Column k of Pascal's triangle is multiplied by the k-th entry of the ruler sequence.
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LINKS
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Table of n, a(n) for n=1..45.
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FORMULA
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T(n,n) = A001511(n).
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EXAMPLE
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First few rows of the triangle are:
1;
1, 2;
1, 4, 1;
1, 6, 3, 3;
1, 8, 6, 12, 1;
1, 10, 10, 30, 5, 2;
1, 12, 15, 60, 15, 12, 1;
...
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CROSSREFS
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Cf. A106461 (row sums), A001511.
Sequence in context: A191310 A124845 A191392 * A124844 A133934 A055327
Adjacent sequences: A127622 A127623 A127624 * A127626 A127627 A127628
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson, Jan 20 2007
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STATUS
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approved
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