Inverse binomial transform of lucky numbers (A000959).

Terms

a(0) =1a(1) =2a(2) =2a(3) =-4a(4) =8a(5) =-16a(6) =34a(7) =-74a(8) =158a(9) =-328a(10) =668a(11) =-1344a(12) =2666a(13) =-5176a(14) =9786a(15) =-18080a(16) =33160a(17) =-62046a(18) =121924a(19) =-254864a(20) =559442a(21) =-1253358a(22) =2788712a(23) =-6050598a(24) =12678984a(25) =-25562296a(26) =49559770a(27) =-92527702a(28) =166783286a(29) =-291322324