A043747 - OEIS

%I #5 Mar 30 2012 18:56:38

%S 1,3,7,15,31,63,127,255,341,511,597,661,677,681,683,685,693,725,853,

%T 1023,1109,1173,1189,1193,1195,1197,1205,1237,1301,1317,1321,1323,

%U 1325,1333,1349,1353,1355,1357,1361,1363,1367,1369,1371

%N Numbers n such that number of runs in the base 2 representation of n is congruent to 1 mod 8.

%K nonn,base

%O 1,2

%A _Clark Kimberling_