XOR BINOMIAL transform of the powers of 3.

Terms

a(0) =1a(1) =2a(2) =8a(3) =16a(4) =80a(5) =160a(6) =640a(7) =2784a(8) =6560a(9) =21824a(10) =65280a(11) =131072a(12) =524800a(13) =1056192a(14) =4201728a(15) =8408000a(16) =43046720a(17) =86135424a(18) =361186816a(19) =1467183104a(20) =3443838080a(21) =11367226112a(22) =32550397696a(23) =70111011712a(24) =282403304960a(25) =569106797952