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%I #6 Mar 01 2023 15:31:13
%S 4,13,23,33,36,38,40,42,43,44,57,72,87,102,106,109,112,115,117,118,
%T 132,147,162,177,181,184,187,190,192,193,207,222,237,252,256,259,262,
%U 265,267,268,272,275,278,281,282,284,287,290,293
%N Position of n-th 4 in A031235.
%Y Cf. A031235.
%K nonn
%O 1,1
%A _Clark Kimberling_