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%I #19 Mar 23 2022 09:34:05
%S 1,3,4,6,9,11,12,14,17,21,24,26,27,29,32,36,41,45,48,50,51,53,56,60,
%T 65,71,76,80,83,85,86,88,91,95,100,106,113,119,124,128,131,133,134,
%U 136,139,143,148,154,161,169,176,182,187,191,194,196,197,199,202
%N Partial sums of A004738, leftmost column of the sequence of triangles defined in A206492.
%F a(n) = Sum_{k=0..n} A004738(k).
%F For n>0, a(n) = a(n-1) + A004738(n).
%Y Cf. A004738, A206492.
%K nonn,easy
%O 0,2
%A _Alex Ratushnyak_, Jun 28 2012
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