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%I #12 Dec 31 2024 15:38:44
%S 1,5,9,1,3,5,7,9,1,3,5,7,9,1,3,5,7,9,1,3,5,7,9,1,3,5,7,9,1,3,5,7,9,1,
%T 3,5,7,9,1,3,5,7,9,1,3,5,7,9,1,0,3,1,0,7,1,1,1,1,1,5,1,1,9,1,2,3,1,2,
%U 7,1,3,1,1,3,5,1,3,9,1,4,3,1,4,7,1,5,1,1,5,5,1,5,9,1,6,3,1,6,7,1,7,1,1,7,5
%N a(n) = A007376(4*n+1).
%t A007376=Flatten[ IntegerDigits/@Range@ 500] ;Array[A007376[[4#+1]]&,105,0] (* _James C. McMahon_, Dec 31 2024 *)
%K nonn,base,changed
%O 0,2
%A _N. J. A. Sloane_, Jul 23 2008