Search: id:A123903
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%I A123903
%S A123903 0,1,2,6,32,320,6144,229376,16777216,2415919104,687194767360,387028092977152,
%T A123903 432345564227567616,959230691832896684032,4231240368651202111471616,37138201178561408246973726720,
%U A123903 649037107316853453566312041152512,22596875928343569839364720024765857792
%N A123903 Total number of "Emperors" in all tournamennts on n labeled nodes.
%C A123903 An "Emperor" is a player who beats everybody else.
%D A123903 S. B. Maurer, The king chicken theorems, Math. Mag., 53 (1980), 67-80.
%F A123903 n*2^((n-1)*(n-2)/2).
%Y A123903 Cf. A123553, A125031.
%Y A123903 Sequence in context: A133596 A088437 A005736 this_sequence A005742 A055612 
               A056642
%Y A123903 Adjacent sequences: A123900 A123901 A123902 this_sequence A123904 A123905 
               A123906
%K A123903 nonn
%O A123903 0,3
%A A123903 N. J. A. Sloane (njas(AT)research.att.com), Nov 20 2006

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