Binomial transform of (1,-1,4,-16,64,-256,1024,...) = (3*0^n-(-4)^n)/4.

Terms

a(0) =1a(1) =0a(2) =3a(3) =-6a(4) =21a(5) =-60a(6) =183a(7) =-546a(8) =1641a(9) =-4920a(10) =14763a(11) =-44286a(12) =132861a(13) =-398580a(14) =1195743a(15) =-3587226a(16) =10761681a(17) =-32285040a(18) =96855123a(19) =-290565366a(20) =871696101a(21) =-2615088300a(22) =7845264903a(23) =-23535794706a(24) =70607384121a(25) =-211822152360a(26) =635466457083