Palindromes of form k^2 + k + 9.

Terms

a(0) =9a(1) =11a(2) =99a(3) =141a(4) =191a(5) =515a(6) =939a(7) =1001a(8) =19191a(9) =90309a(10) =92729a(11) =93339a(12) =109901a(13) =192291a(14) =939939a(15) =1303031a(16) =1997991a(17) =5605065a(18) =9003009a(19) =9887889a(20) =15066051a(21) =97111179a(22) =900030009a(23) =936696639a(24) =5193003915a(25) =11406560411a(26) =13028282031a(27) =15676667651a(28) =16473337461a(29) =90000300009