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Search: id:A166239
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| A166239 |
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Number of partitions of n with distinct occurrences of parts. |
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+0
1
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| 1, 1, 2, 2, 4, 5, 7, 9, 13, 16, 19, 27, 33, 40, 54, 63, 75, 99, 116, 140, 175, 198, 244, 293, 349, 401, 491, 563, 666, 790, 912, 1046, 1266, 1419, 1667, 1929, 2221, 2528, 2979, 3345, 3868, 4422, 5057, 5709, 6638, 7395, 8480, 9626, 10925, 12237, 14052, 15622
(list; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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a(4) = #{4, 2+2, 2+1+1, 1+1+1+1} = 4;
a(5) = #{5, 3+1+1, 2+2+1, 2+1+1+1, 1+1+1+1+1} = 5;
a(6) = #{6, 4+1+1, 3+3, 3+1+1+1, 2+2+2, 2+4x1, 6x1} = 7.
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CROSSREFS
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Sequence in context: A027597 A027592 A007209 this_sequence A058661 A094362 A000726
Adjacent sequences: A166236 A166237 A166238 this_sequence A166240 A166241 A166242
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KEYWORD
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nonn
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AUTHOR
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Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 09 2009
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