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%I A237347 #4 Mar 18 2014 17:58:17
%S A237347 3,3,2,3,2,3,2,2,3,2,2,3,2,2,2,3,2,2,2,3,2,2,2,2,3,2,2,2,2,3,2,2,2,2,
%T A237347 2,3,2,2,2,2,2,3,2,2,2,2,2,2,3,2,2,2,2,2,2,3,2,2,2,2,2,2,2,3,2,2,2,2,
%U A237347 2,2,2,3,2,2,2,2,2,2,2,2,3,2,2,2,2,2
%N A237347 First differences of A078633.
%C A237347 a(n) = A078633(n+1) - A078633(n);
%C A237347 2 <= a(n) <= 3;
%C A237347 a(A049068(n)) = 2; a(A002620(n)) = 3;
%C A237347 A237347(n) = abs(A167752(n)) + 2.
%H A237347 Reinhard Zumkeller, <a href="/A237347/b237347.txt">Table of n, a(n) for n = 1..10000</a>
%o A237347 (Haskell)
%o A237347 a237347 n = a237347_list !! (n-1)
%o A237347 a237347_list = zipWith (-) (tail a078633_list) a078633_list
%K A237347 nonn
%O A237347 1,1
%A A237347 _Reinhard Zumkeller_, Mar 18 2014

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