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%I #12 May 13 2013 01:47:54
%S 1,3,6,10,16,22,30,40,50,60,74,88,104,122,136,152,176,198,222,248,268,
%T 290,322,352,380,412,442,472,512,548,586,632,668,704,744,780,828,882,
%U 924,964,1020,1072,1126
%N a(n)=T(n,n+1), array T as in A049695.
%F a(n-1)=sum_{k=1...n}mu(k)floor(n/k)ceiling(n/k); a(n) is asymptotic to (6/Pi^2)*n^2 - _Benoit Cloitre_, Jun 27 2005
%o (PARI) a(n)=sum(k=1,n++,n\k*moebius(k)*ceil(n/k)) \\ _Charles R Greathouse IV_, Mar 02 2012
%Y Cf. A018805.
%K nonn
%O 0,2
%A _Clark Kimberling_
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