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%I #10 Aug 28 2020 06:06:43
%S 1,2,6,16,42,101,241,548,1232,2696,5818,12318,25744,52992,107796,
%T 216598,430669,847518,1652642,3194279,6124608,11653341,22015653,
%U 41310879,77024333,142739427,262996080,481889660,878308359,1592707740
%N a(n) = Sum_{j=0..n} A000293(j).
%e a(3) = 16 = (1 + 1 + 4 + 10).
%Y Cf. A000293.
%K nonn
%O 0,2
%A _Gary W. Adamson_, Jul 26 2008
%E a(11) corrected and more terms from _Georg Fischer_, Aug 28 2020
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