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A088314
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Cardinality of set of sets of parts of all partitions of n.
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6
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1, 1, 2, 3, 5, 6, 10, 12, 18, 22, 30, 37, 51, 61, 79, 96, 124, 148, 186, 222, 275, 326, 400, 473, 575, 673, 811, 946, 1132, 1317, 1558, 1813, 2138, 2463, 2893, 3323, 3882, 4461, 5177, 5917, 6847, 7818, 8994, 10251, 11766, 13334, 15281, 17309, 19732, 22307
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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COMMENTS
| Number of different values of A007947(m) when A056239(m) is equal to n.
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EXAMPLE
| E.g. a(5) = |{{1}, {1, 2}, {1, 3}, {2, 3}, {1, 4}, {5}}| = 6.
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MAPLE
| Contribution from Yogy Namara (yogy.namara(AT)gmail.com), Jan 13 2010: (Start)
list2set := L -> {op(L)};
f := N -> list2set(map(
list2set, combinat[partition](N)
));
seq(nops(f(i)), i=0..30); (End)
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CROSSREFS
| Sequence in context: A023025 A130898 A199016 * A097071 A105420 A058641
Adjacent sequences: A088311 A088312 A088313 * A088315 A088316 A088317
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KEYWORD
| easy,nonn
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AUTHOR
| Naohiro Nomoto (pcmusume(AT)m11.alpha-net.ne.jp), Nov 05 2003
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EXTENSIONS
| More terms and clearer definition from Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 21 2005
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