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Search: id:A132312
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| A132312 |
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Triangle read by rows: T(n,k) = number of partitions of binomial(n,k) into distinct parts of the first n rows of Pascal's triangle, 0<=k<=n. |
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+0
4
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| 0, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 3, 2, 1, 1, 4, 7, 6, 7, 4, 1, 1, 4, 11, 14, 14, 11, 4, 1, 1, 5, 28, 57, 56, 57, 28, 5, 1, 1, 7, 73, 273, 434, 434, 273, 73, 7, 1, 1, 10, 189, 1411, 3479, 3980, 3479, 1411, 189, 10, 1, 1, 11, 300, 4138, 16293, 26555, 26555
(list; table; graph; listen)
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OFFSET
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0,17
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COMMENT
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T(n,k) = T(n,n-k);
T(n,0) = 1 for n>0;
A000009(n) - 1 <= T(n,1) <= A000009(n) for n>1;
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LINKS
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Index entries for triangles and arrays related to Pascal's triangle
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EXAMPLE
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T(9,1) = A000009(9)-1 = 7;
A007318(5,2) = A007318(10,1) = 10:
T(5,2) = #{6+4, 6+3+1, 4+3+2+1} = 3,
but T(10,1) = A000009(10) = 10.
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CROSSREFS
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Cf. A132311, A007318, A126257, A014631.
Adjacent sequences: A132309 A132310 A132311 this_sequence A132313 A132314 A132315
Sequence in context: A123548 A131838 A038529 this_sequence A090431 A107336 A156613
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KEYWORD
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nonn,tabl
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Aug 18 2007
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