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%I #5 Mar 30 2012 18:57:42
%S 0,1,2,3,5,8,11,14,18,23,28,33,39,46,53,60,68,77,87,97,107,118,129,
%T 141,153,166,179,193,207,222,237,253,269,286,304,322,341,360,379,399,
%U 419,439,460,482,504,526,549,573,597,622,647,673,700,727,754,782
%N Partial sums of A194247.
%t r = 3-Sqrt[5];
%t a[n_] := Floor[Sum[FractionalPart[k*r], {k, 1, n}]]
%t Table[a[n], {n, 1, 90}] (* A194247 *)
%t s[n_] := Sum[a[k], {k, 1, n}]
%t Table[s[n], {n, 1, 100}] (* A194248 *)
%Y Cf. A194247.
%K nonn
%O 1,3
%A _Clark Kimberling_, Aug 20 2011
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