%I A109967
%S A109967 0,1,0,1,1,1,1,2,1,2,2,1,3,2,2,2,3,1,3,2,2,2,1,2,1,2,0,2,0,1,0,2,0,0,2,
%T A109967 1,2,0,2,0,3,0,3,2,0,4,1,3,1,4,0,4,1,4,2,0,4,0,4,0,4,0,4,0,5,2,0,6,0,5,
%U A109967 1,6,0,7,1,7,4,0,8,1,7,1,8,0,8,1,8,4,0,9,0,8,0,9,1,9,0,10,4,1,11,1
%V A109967 0,1,0,1,1,1,1,2,1,2,2,1,3,2,2,2,3,1,3,2,2,2,1,2,1,2,0,2,0,1,0,2,0,0,2,
               -1,2,0,2,0,3,0,
%W A109967 3,2,0,4,1,3,1,4,0,4,1,4,2,0,4,0,4,0,4,0,4,0,5,2,0,6,0,5,1,6,0,7,1,7,4,
               0,8,1,7,1,8,0,8,
%X A109967 1,8,4,0,9,0,8,0,9,-1,9,0,10,4,-1,11,-1
%N A109967 First differences of A088670.
%C A109967 a(n) = A088670(n+1) - A088670(n).
%Y A109967 Cf. A109969.
%Y A109967 Sequence in context: A105258 A160696 A152545 this_sequence A000119 A097368 
               A109699
%Y A109967 Adjacent sequences: A109964 A109965 A109966 this_sequence A109968 A109969 
               A109970
%K A109967 sign
%O A109967 1,8
%A A109967 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 06 2005