Alternating row sums of Riordan triangle A319203.

Terms

a(0) =1a(1) =-1a(2) =0a(3) =0a(4) =2a(5) =0a(6) =-5a(7) =-7a(8) =14a(9) =42a(10) =-12a(11) =-198a(12) =-165a(13) =715a(14) =1573a(15) =-1573a(16) =-9282a(17) =-3094a(18) =41548a(19) =63308a(20) =-131784a(21) =-468996a(22) =111758a(23) =2496144a(24) =2369851a(25) =-9926455a(26) =-23864570a(27) =22785180a(28) =150243015a(29) =60480225