Palindromes which are not the arithmetic mean of two distinct positive palindromes.

A114120

Palindromes which are not the arithmetic mean of two distinct positive palindromes.

Terms

    a(0) =1a(1) =11a(2) =10901a(3) =109901a(4) =1090901a(5) =1099901a(6) =10900901a(7) =10999901a(8) =100909001a(9) =109000901a(10) =109090901a(11) =109909901a(12) =109999901a(13) =1090000901a(14) =1090990901a(15) =1099009901a(16) =1099999901a(17) =10090909001a(18) =10900000901a(19) =10900900901a(20) =10909090901a(21) =10909990901

External references