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A179314
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An irregular table of values refining Table A061260.
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0
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1, 2, 1, 3, 2, 1, 5, 3, 3, 2, 1, 7, 5, 6, 3, 3, 2, 1, 11, 7, 10, 6, 5, 6, 4, 3, 3, 2, 1, 15, 11, 14, 15, 7, 10, 6, 9, 5, 6, 4, 3, 3, 2, 1
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OFFSET
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1,2
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COMMENTS
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The row sum sequence A001970 and Table A061260 count partitions of partitions.
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LINKS
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EXAMPLE
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Row six Col three of A061260 can be derived from partitions 4+1+1, 3+2+1, and 2+2+2 yielding 5+6+4 = 15 cases.
Partition 2+2+2 yields four cases because we can write 2*3*4/3!=4.
1;
2, 1;
3, 2, 1;
5, 3, 3, 2, 1;
7, 5, 6, 3, 3, 2, 1;
11, 7, 10, 6, 5, 6, 4, 3, 3, 2, 1;
15, 11, 14, 15, 7, 10, 6, 9, 5, 6, 4, 3, 3, 2, 1;
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CROSSREFS
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KEYWORD
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nonn,tabf,uned
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AUTHOR
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STATUS
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approved
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