Binomial transform of A109747.

Terms

a(0) =1a(1) =3a(2) =8a(3) =19a(4) =41a(5) =84a(6) =171a(7) =347a(8) =690a(9) =1385a(10) =2825a(11) =5438a(12) =11077a(13) =24535a(14) =33720a(15) =102623a(16) =350605a(17) =-1120228a(18) =5876775a(19) =11232063a(20) =-256532422a(21) =1748895117a(22) =-4057110163a(23) =-42841409122a(24) =605093026361