Numbers n such that n^2 + (n+1)^2 + (n+2)^2 is palindromic.

Terms

a(0) =4a(1) =11a(2) =37a(3) =566a(4) =1736a(5) =8339a(6) =16084a(7) =17552a(8) =17932a(9) =36997a(10) =40441a(11) =119811a(12) =173736a(13) =378811a(14) =1328120a(15) =1751496a(16) =1775706a(17) =4427780a(18) =8211879a(19) =17909282a(20) =40439557