Shifts 9 places left under Euler transform with a(0)=0 and a(n)=1 for n<9.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =2a(12) =3a(13) =5a(14) =7a(15) =11a(16) =15a(17) =22a(18) =30a(19) =42a(20) =57a(21) =80a(22) =109a(23) =152a(24) =211a(25) =296a(26) =415a(27) =588a(28) =832a(29) =1185