Search: id:A007776
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%I A007776
%S A007776 1,2,4,10,27,88,328,1460,7799,51196,422521,4483460,62330116,1150504224,
%T A007776 28434624153,945480850638,42417674401330,2572198227615998,
%U A007776 211135833162079184,23487811567341121158,3545543330739039981738
%N A007776 Number of connected posets with n elements of height 1.
%C A007776 EULERi transform of A048194 and A049312. - Detlef Pauly (dettodet(AT)yahoo.de) 
               and Vladeta Jovovic (vladeta(AT)eunet.rs). - Vladeta Jovovic (vladeta(AT)eunet.rs), 
               Jul 25 2003
%H A007776 N. J. A. Sloane, <a href="transforms.txt">Transforms</a>
%H A007776 <a href="Sindx_Pos.html#posets">Index entries for sequences related to 
               posets</a>
%Y A007776 Cf. A005142, A002031 (labeled case).
%Y A007776 Sequence in context: A148107 A148108 A057786 this_sequence A123428 A005975 
               A048193
%Y A007776 Adjacent sequences: A007773 A007774 A007775 this_sequence A007777 A007778 
               A007779
%K A007776 nonn
%O A007776 1,2
%A A007776 gw(AT)informatik.Uni-Koeln.DE (Georg Wambach)
%E A007776 More terms from Vladeta Jovovic (vladeta(AT)eunet.rs), Jul 25 2003

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