Numbers k such that k^2 + k + 1 is a palindrome.

Terms

a(0) =0a(1) =1a(2) =2a(3) =10a(4) =18a(5) =27a(6) =100a(7) =125a(8) =173a(9) =1000a(10) =1120a(11) =1184a(12) =1355a(13) =1836a(14) =1876a(15) =1961a(16) =10000a(17) =11915a(18) =100000a(19) =119084a(20) =126935a(21) =187876a(22) =188348a(23) =192383a(24) =196813a(25) =1000000a(26) =1010200a(27) =1190915a(28) =1228425a(29) =1780728