Shifts left when Euler transform applied 7 times.

Terms

a(0) =0a(1) =1a(2) =1a(3) =8a(4) =43a(5) =295a(6) =1982a(7) =14379a(8) =106464a(9) =811769a(10) =6304231a(11) =49770106a(12) =398042059a(13) =3218655532a(14) =26269422252a(15) =216121646661