Search: id:A093112
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%I A093112
%S A093112 1,7,47,223,959,3967,16127,65023,261119,1046527,4190207,16769023,
%T A093112 67092479,268402687,1073676287,4294836223,17179607039,68718952447,
%U A093112 274876858367,1099509530623,4398042316799,17592177655807
%V A093112 -1,7,47,223,959,3967,16127,65023,261119,1046527,4190207,16769023,67092479,
               268402687,
%W A093112 1073676287,4294836223,17179607039,68718952447,274876858367,1099509530623,
%X A093112 4398042316799,17592177655807
%N A093112 Carol numbers.
%H A093112 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               CarolNumber.html">Carol Number</a>
%F A093112 a(n)=(2^n-1)^2-2.
%p A093112 [seq (((stirling2(n,2))^2-2),n=2..23)]; - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), 
               Dec 20 2006
%t A093112 lst={};Do[p=(2^n-1)^2-2;AppendTo[lst, p], {n, 66}];lst [From Vladimir 
               Orlovsky (4vladimir(AT)gmail.com), Sep 27 2008]
%Y A093112 Cf. A000225.
%Y A093112 Sequence in context: A046872 A152988 A009202 this_sequence A091516 A064385 
               A009260
%Y A093112 Adjacent sequences: A093109 A093110 A093111 this_sequence A093113 A093114 
               A093115
%K A093112 sign
%O A093112 1,2
%A A093112 Eric Weisstein (eric(AT)weisstein.com), Mar 20, 2004

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