Multiply by 9 and reverse.

Terms

a(0) =1a(1) =9a(2) =18a(3) =261a(4) =9432a(5) =88848a(6) =236997a(7) =3792312a(8) =80803143a(9) =782822727a(10) =3454045407a(11) =36680468013a(12) =711212421033