A393149 - OEIS

%I #12 Feb 11 2026 20:37:21

%S 1031,1041,1051,1061,1071,1074,1081,1091,1101,1139,1148,1157,1175,

%T 1240,1249,1258,1267,1301,1341,1350,1351,1359,1361,1368,1371,1377,

%U 1381,1391,1401,1431,1451,1460,1461,1469,1471,1478,1481,1491,1501,1531,1541,1561,1570,1571,1579,1581,1591,1601,1631,1641

%N Numbers that cannot be represented as a sum or difference of two palindromes.

%H Dmitry Kamenetsky, <a href="https://puzzling.stackexchange.com/questions/136936/smallest-number-that-is-not-a-sum-or-difference-of-two-palindromes">Smallest number that is not a sum or difference of two palindromes</a>, Puzzle StackExchange.

%F Intersection of A035137 and A104444.

%F Intersection of A035137 and A084843.

%K nonn,base

%O 1,1

%A _Dmitry Kamenetsky_, Feb 02 2026