%I A053840
%S A053840 0,1,2,3,4,1,2,3,4,0,2,3,4,0,1,3,4,0,1,2,4,0,1,2,3,1,2,3,4,0,2,3,4,0,1,
%T A053840 3,4,0,1,2,4,0,1,2,3,0,1,2,3,4,2,3,4,0,1,3,4,0,1,2,4,0,1,2,3,0,1,2,3,4,
%U A053840 1,2,3,4,0,3,4,0,1,2,4,0,1,2,3,0,1,2,3,4,1,2,3,4,0,2,3,4,0,1,4,0,1,2,3
%N A053840 (Sum of digits of n written in base 5) modulo 5.
%Y A053840 Cf. A010060.
%Y A053840 Sequence in context: A078978 A171171 A159957 this_sequence A010883 A011542 
               A053344
%Y A053840 Adjacent sequences: A053837 A053838 A053839 this_sequence A053841 A053842 
               A053843
%K A053840 base,nonn
%O A053840 0,3
%A A053840 Henry Bottomley (se16(AT)btinternet.com), Mar 28 2000