Shifts left under Euler transform.

Terms

a(0) =-1a(1) =-1a(2) =-1a(3) =0a(4) =1a(5) =2a(6) =0a(7) =-3a(8) =-5a(9) =-1a(10) =11a(11) =19a(12) =4a(13) =-42a(14) =-78a(15) =-18a(16) =172a(17) =333a(18) =88a(19) =-747a(20) =-1483a(21) =-436a(22) =3355a(23) =6834a(24) =2193a(25) =-15417a(26) =-32248a(27) =-11206a(28) =72264a(29) =154900