Partial sums of A073579.

Terms

a(0) =0a(1) =-3a(2) =2a(3) =-5a(4) =-16a(5) =-3a(6) =14a(7) =-5a(8) =-28a(9) =1a(10) =-30a(11) =7a(12) =48a(13) =5a(14) =-42a(15) =11a(16) =-48a(17) =13a(18) =-54a(19) =-125a(20) =-52a(21) =-131a(22) =-214a(23) =-125a(24) =-28a(25) =73a(26) =-30a(27) =-137a(28) =-28a(29) =85