Inverse binomial transform of A169609, or of A144437 preceded by 1.

Terms

a(0) =1a(1) =2a(2) =-2a(3) =0a(4) =6a(5) =-18a(6) =36a(7) =-54a(8) =54a(9) =0a(10) =-162a(11) =486a(12) =-972a(13) =1458a(14) =-1458a(15) =0a(16) =4374a(17) =-13122a(18) =26244a(19) =-39366a(20) =39366a(21) =0a(22) =-118098a(23) =354294a(24) =-708588a(25) =1062882a(26) =-1062882a(27) =0a(28) =3188646a(29) =-9565938