Palindromes arising in A053779.

Terms

a(0) =4a(1) =434a(2) =505a(3) =18781a(4) =27072a(5) =33633a(6) =1254521a(7) =3360633a(8) =5989895a(9) =9145419a(10) =10411401a(11) =161101161a(12) =390949093a(13) =795303597a(14) =935424539a(15) =25127372152a(16) =77753535777