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a(n) = greatest k such that s(j) > 0 for all j < k at end of stage n in forming A026409.
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%I #10 Apr 10 2022 15:26:53

%S 1,2,4,6,7,10,12,15,19,23,28,31,36,37,45,49,58,60,67,75,77,90,91,104,

%T 110,111,125,135,145,158,160,163,186,202,203,218,219,236,254,256,274,

%U 283,303,322,325,353,358,359,390,405,407,448,450,477,492,494,498,543,544,547,587,589

%N a(n) = greatest k such that s(j) > 0 for all j < k at end of stage n in forming A026409.

%Y Cf. A026409.

%K nonn

%O 1,2

%A _Clark Kimberling_

%E More terms from _Sean A. Irvine_, Sep 26 2019