Numbers k such that k*(k + 9) is a palindrome.

Terms

a(0) =0a(1) =2a(2) =12a(3) =44a(4) =137a(5) =157a(6) =167a(7) =248a(8) =258a(9) =1639a(10) =1664a(11) =1694a(12) =5392a(13) =15904a(14) =16997a(15) =160187a(16) =487619a(17) =1547147a(18) =14674184a(19) =14790532a(20) =15019614a(21) =15336644a(22) =25234083a(23) =26132578a(24) =26211438a(25) =26216753a(26) =48675319a(27) =49407017a(28) =52030352a(29) =54072524