%I

%S 11,14,24,58,64,145,222,253,290,326,328,364,449,451,491,496,538,539,

%T 588,589,595,641,642,648,650,653,697,698,704,706,710,757,758,764,766,

%U 819,820,828,884,885,953,954,964,1025,1026,1036,1103,1104,1114,1186,1187

%N n-th number k such that s(k)=4, where s=A030717.

%K nonn

%O 1,1

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Apr 08 2020