A025216 - OEIS

A025216

[ Sum (s(j) - s(i))^2 ], 1 <= i < j <= n, where s(k) = 1 + 1/2 + ... + 1/k.

%I #3 Mar 30 2012 18:56:01

%S 0,1,2,5,8,13,19,26,34,44,56,68,82,98,115,134,154,176,200,225,251,280,

%T 310,341,375,410,446,485,525,566,610,655,702,751,801,853,907,963,1020,

%U 1079,1140,1203,1267,1334,1402,1472,1543,1617,1692,1769,1848,1929,2011,2095,2182,2270

%N [ Sum (s(j) - s(i))^2 ], 1 <= i < j <= n, where s(k) = 1 + 1/2 + ... + 1/k.

%K nonn

%O 2,3

%A _Clark Kimberling_