Euler transform of A115224.

Terms

a(0) =1a(1) =1a(2) =29a(3) =263a(4) =1565a(5) =11217a(6) =74412a(7) =482638a(8) =2987123a(9) =18066149a(10) =107415185a(11) =623612637a(12) =3552605428a(13) =19882256022a(14) =109518424910a(15) =594290145192