Row sums of A104975.

Terms

a(0) =1a(1) =1a(2) =0a(3) =0a(4) =1a(5) =1a(6) =-1a(7) =-1a(8) =2a(9) =2a(10) =-2a(11) =-2a(12) =4a(13) =4a(14) =-6a(15) =-6a(16) =9a(17) =9a(18) =-13a(19) =-13a(20) =21a(21) =21a(22) =-31a(23) =-31a(24) =47a(25) =47a(26) =-71a(27) =-71a(28) =109a(29) =109