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%I #9 Apr 25 2021 01:26:25
%S 1092,1094,1095,1096,1097,1099,1100,1101,1102,1121,1122,1123,1124,
%T 1126,1127,1132,1133,1134,1137,1138,1139,1140,1142,1143,1144,1145,
%U 1147,1156,1158,1159,1160,1161,1163,1164,1165,1166
%N Numbers whose base-4 representation has exactly 6 runs.
%Y Cf. A007090.
%K nonn,base
%O 1,1
%A _Clark Kimberling_