Search: id:A061159
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%I A061159
%S A061159 1,1,7,17,203,455,2723,6001,133107,312011,1613529,3705303,39159519,
%T A061159 88466147,443939867,1041952049,40842931395,93889422323,460998957853,
%U A061159 1054706036923,10194929714949,23513104814105,111438617932133
%N A061159 Numerators in expansion of Euler transform of b(n)=1/2.
%C A061159 Denominators of c(n) are 2^d(n), where d(n)=power of 2 in (2n)!, cf. 
               A005187.
%H A061159 N. J. A. Sloane, <a href="transforms.txt">Transforms</a>
%F A061159 Numerators of c(n), where c(n)=1/(2*n)*Sum_{k=1..n} c(n-k)*sigma(k), 
               n>0, c(0)=1.
%Y A061159 Cf. A000712, A061160, A061161.
%Y A061159 Sequence in context: A165246 A118108 A147643 this_sequence A140122 A092240 
               A110120
%Y A061159 Adjacent sequences: A061156 A061157 A061158 this_sequence A061160 A061161 
               A061162
%K A061159 easy,nonn
%O A061159 0,3
%A A061159 Vladeta Jovovic (vladeta(AT)eunet.rs), Apr 17 2001

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