a(n) = Sum_{k=0..n} A363914(n, k)*2^(n - k).

Terms

a(0) =1a(1) =1a(2) =-1a(3) =-3a(4) =-3a(5) =-15a(6) =9a(7) =-63a(8) =-15a(9) =-63a(10) =225a(11) =-1023a(12) =705a(13) =-4095a(14) =3969a(15) =11265a(16) =-255a(17) =-65535a(18) =28161a(19) =-262143a(20) =195585a(21) =770049a(22) =1046529a(23) =-4194303a(24) =978945a(25) =-1048575a(26) =16769025a(27) =-262143a(28) =50315265a(29) =-268435455