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Search: id:A003405
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| A003405 |
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Certain partially ordered sets of integers.
(Formerly M0754)
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+0
1
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| 1, 1, 2, 3, 6, 8, 13, 19, 30, 41, 59, 80, 113, 149, 202, 264, 350, 447, 578, 730, 928, 1155, 1444, 1777, 2193, 2667, 3249, 3915, 4721, 5635, 6728, 7967, 9432, 11083, 13016
(list; graph; listen)
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OFFSET
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0,3
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REFERENCES
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J. C. P. Miller, On the enumeration of partially ordered sets of integers, pp. 109-124 of T. P. McDonough and V. C. Mavron, editors, Combinatorics: Proceedings of the Fourth British Combinatorial Conference 1973. London Mathematical Society, Lecture Note Series, Number 13, Cambridge University Press, NY, 1974.
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LINKS
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Index entries for sequences related to posets
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CROSSREFS
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Sequence in context: A068491 A024788 A004101 this_sequence A114319 A089426 A066739
Adjacent sequences: A003402 A003403 A003404 this_sequence A003406 A003407 A003408
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KEYWORD
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nonn
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AUTHOR
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njas
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