A031040 - OEIS

%I #4 Mar 30 2012 18:56:20

%S 4,17,33,49,56,58,60,62,64,65,66,68,70,81,97,113,134,158,182,206,217,

%T 220,223,226,229,230,232,235,238,254,278,302,326,350,374,398,409,412,

%U 415,418,421,422,424,427,430,446,470,494,518

%N Position of n-th 4 in A031035.

%K nonn

%O 1,1

%A _Clark Kimberling_