Sums of wrecker ball sequences starting with n.

Terms

a(0) =0a(1) =1a(2) =-2a(3) =5a(4) =-292a(5) =-241a(6) =14a(7) =-437861a(8) =-28a(9) =-1a(10) =30a(11) =313a(12) =-4472a(13) =-4223a(14) =-2a(15) =55a(16) =3252a(17) =-214246256269a(18) =-70a(19) =-27a(20) =5260887648a(21) =91a(22) =-538a(23) =-193a(24) =-132a(25) =-864538549823a(26) =-22a(27) =27a(28) =140a(29) =40053