A177152 - OEIS

%I #5 Feb 08 2025 19:39:36

%S 1,5,10,13,18,23,28,33,38,41,46,51,56,61,64,69,74,79,84,89,92,97,102,

%T 107,112,115,120,125,130,135,138,143,148,153,158,163,166,171,176,181,

%U 186,189,194,199,204,209,214,217,222,227,232,237,240,245,250,255,260

%N Positions in A177151 of runs of length 1.

%e A177151 = (1,2,2,2,3,4,4,5,5,6,7,7,8,9,9,10,10,11,12,12,...), so that singletons occur in positions (1,5,10,13,18,...).

%Y Cf. A177151.

%K nonn,changed

%O 1,2

%A _Clark Kimberling_, May 03 2010