Palindromes of form k*(k+9).

Terms

a(0) =0a(1) =22a(2) =252a(3) =2332a(4) =20002a(5) =26062a(6) =29392a(7) =63736a(8) =68886a(9) =2701072a(10) =2783872a(11) =2884882a(12) =29122192a(13) =253080352a(14) =289050982a(15) =25661316652a(16) =237776677732