Row sums of triangle A274659.

Terms

a(0) =1a(1) =2a(2) =0a(3) =-2a(4) =2a(5) =4a(6) =-4a(7) =-6a(8) =6a(9) =10a(10) =-8a(11) =-16a(12) =14a(13) =24a(14) =-24a(15) =-36a(16) =36a(17) =56a(18) =-52a(19) =-82a(20) =78a(21) =116a(22) =-116a(23) =-168a(24) =166a(25) =242a(26) =-232a(27) =-338a(28) =328a(29) =468