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Position of n-th 4 in A031219.
0

%I #4 Mar 30 2012 18:56:21

%S 4,14,24,34,35,37,39,41,43,44,59,74,89,104,106,109,112,115,118,119,

%T 134,149,164,179,181,184,187,190,193,194,209,224,239,254,256,259,262,

%U 265,268,269,270,273,276,279,282,284,285,288,291

%N Position of n-th 4 in A031219.

%K nonn

%O 1,1

%A _Clark Kimberling_