A187845 - OEIS

%I #10 Jan 29 2014 04:04:05

%S 0,-1,-3,-6,-10,-15,-21,-28,-36,-45,-45,-44,-42,-39,-35,-30,-24,-17,

%T -9,0,0,2,6,12,20,30,42,56,72,90,90,93,99,108,120,135,153,174,198,225,

%U 225,229,237,249,265,285,309,337,369,405,405,410,420,435,455,480,510,545,585,630,630,636,648,666

%N Partial sums of A187844.

%H Reinhard Zumkeller, <a href="/A187845/b187845.txt">Table of n, a(n) for n = 0..25000</a>

%o (Haskell)

%o a187845 n = a187845_list !! (n-1)

%o a187845_list = scanl1 (+) $ map a187844 [0..]

%o -- _Reinhard Zumkeller_, Jan 29 2014

%Y Cf. A061076.

%K sign,base,look

%O 0,3

%A _Reinhard Zumkeller_, Mar 14 2011