Inverse Weigh transform of n^2.

Terms

a(0) =1a(1) =4a(2) =5a(3) =5a(4) =-6a(5) =-12a(6) =-4a(7) =34a(8) =56a(9) =1a(10) =-158a(11) =-267a(12) =56a(13) =874a(14) =1234a(15) =-691a(16) =-4966a(17) =-5796a(18) =6132a(19) =28411a(20) =26932a(21) =-46687a(22) =-162814a(23) =-117746a(24) =332350a(25) =929348a(26) =454328a(27) =-2278344a(28) =-5259270a(29) =-1250947