Search: id:A118235
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%I A118235
%S A118235 1,2,1,4,2,1,3,8,2,1,5,3,6,2,1,16,8,3,9,2,1,4,11,7,3,5,2,1,14,4,15,32,
               3,
%T A118235 7,2,1,18,8,4,6,20,3,21,2,1,10,23,15,4,8,6,3,26,2,1,5,7,13,29,4,30,14,
               3,
%U A118235 64,2,1,33,5,9,7,35,4,36,17,3,6,2,1,39,14,5,19,41,7,4,20,12,3,44,2,1,8
%N A118235 Smallest number summing up to n together with some succeeding consecutive 
               numbers.
%C A118235 A109814(n) * (A109814(n) + 2*a(n) - 1) / 2 = n.
%C A118235 a(m) = n iff m = 2^k: a(A000079(n)) = A000079(n);
%C A118235 a(m) = 1 iff m = k*(k+1)/2: a(A000217(n)) = 1.
%Y A118235 Cf. A001227.
%Y A118235 Sequence in context: A013942 A088423 A006839 this_sequence A083653 A135152 
               A147542
%Y A118235 Adjacent sequences: A118232 A118233 A118234 this_sequence A118236 A118237 
               A118238
%K A118235 nonn
%O A118235 1,2
%A A118235 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Apr 18 2006

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