Third right hand column of the Beta triangle A160480.

Terms

a(0) =-299a(1) =2063a(2) =-8948a(3) =29034a(4) =-77537a(5) =180137a(6) =-376946a(7) =727116a(8) =-1314087a(9) =2251475a(10) =-3689600a(11) =5822654a(12) =-8896509a(13) =13217165a(14) =-19159838a(15) =27178688a(16) =-37817187a(17) =51719127a(18) =-69640268a(19) =92460626a(20) =-121197401a(21) =157018545a(22) =-201256970a(23) =255425396