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%I #8 Apr 13 2021 23:13:41
%S 10,18,20,22,26,34,36,38,40,44,46,50,52,54,58,66,68,70,72,76,78,80,88,
%T 92,94,98,100,102,104,108,110,114,116,118,122,130,132,134,136,140,142,
%U 144,152,156,158,160,176,184,188,190,194,196
%N Numbers whose base-2 representation has exactly 4 runs.
%K nonn,base
%O 1,1
%A _Clark Kimberling_
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