Shifts left when Euler transform applied 8 times.

Terms

a(0) =0a(1) =1a(2) =1a(3) =9a(4) =53a(5) =401a(6) =2967a(7) =23659a(8) =192615a(9) =1613687a(10) =13769538a(11) =119419761a(12) =1049154071a(13) =9318828138a(14) =83541286988a(15) =754920397795