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Search: id:A094737
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| A094737 |
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Number of connected 5-element multiantichains on a labeled n-set. |
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+0
1
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| 0, 1, 1, 19, 387, 12796, 588332, 30409555, 1510137553, 68451901642, 2839832714238, 109655179461961, 4007814663515939, 140559147215148208, 4779718456846032064, 158823449312897655487, 5186933187595033751445
(list; graph; listen)
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OFFSET
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0,4
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FORMULA
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E.g.f.: (1/5!)*(exp(31*x)-20*exp(23*x)+60*exp(19*x)+20*exp(17*x)+5*exp(16*x)-85*exp(15*x)-120*exp(14*x)+150*exp(13*x)+180*exp(12*x)-540*exp(11*x)-110*exp(10*x)+860*exp(9*x)+160*exp(8*x)-735*exp(7*x)+1110*exp(6*x)-2106*exp(5*x)-1095*exp(4*x)+6665*exp(3*x)-7090*exp(2*x)+3434*exp(x)-744).
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CROSSREFS
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Cf. A094033-A094037, A094729-A094738.
Sequence in context: A023283 A075839 A072359 this_sequence A009075 A015694 A099277
Adjacent sequences: A094734 A094735 A094736 this_sequence A094738 A094739 A094740
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KEYWORD
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nonn
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AUTHOR
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Goran Kilibarda, Vladeta Jovovic (vladeta(AT)Eunet.yu), May 24 2004
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