Search: id:A092900
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%I A092900
%S A092900 1,0,2,2,12,22,112,222,1112,2222,11112,22222,111112,222222,1111112,
%T A092900 2222222,11111112,22222222,111111112,222222222,1111111112,2222222222,
%U A092900 11111111112,22222222222,111111111112,222222222222,1111111111112
%N A092900 A Jacobsthal sequence (A078008) to base 4.
%F A092900 For n > 0, a(2n+1) is represented as a string of n 2's and a(2n) as a 
               string of (n-1) 1's followed by a 2.
%e A092900 a(8)= 1112 because A078008(8)= 86 (in base 10) = 64 + 16 + 4 + 2 = 1*(4^3)+1*
%e A092900 (4^2)+1*(4^1)+2.
%Y A092900 Cf. A081857.
%Y A092900 Sequence in context: A059187 A054916 A140431 this_sequence A164961 A122007 
               A137782
%Y A092900 Adjacent sequences: A092897 A092898 A092899 this_sequence A092901 A092902 
               A092903
%K A092900 easy,nonn
%O A092900 0,3
%A A092900 Paul Barry (pbarry(AT)wit.ie), Mar 12 2004

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