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a(n) = (1/5)*s(n), where s(n) is the n-th multiple of 5 in A026166.
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%I #4 Mar 30 2012 18:56:05

%S 2,1,4,8,3,14,5,16,6,20,7,26,9,10,32,11,34,12,38,13,44,15,50,17,52,18,

%T 56,19,58,62,21,22,68,23,70,24,74,25,76,80,27,28,86,29,88,30,92,31,98,

%U 33,104,35,106,36,110,37,112,116,39,40,122

%N a(n) = (1/5)*s(n), where s(n) is the n-th multiple of 5 in A026166.

%K nonn

%O 1,1

%A _Clark Kimberling_