A031161 Palindromic lucky numbers.
1, 3, 7, 9, 33, 99, 111, 141, 151, 171, 303, 393, 535, 717, 727, 777, 787, 979, 1441, 1771, 3003, 3223, 3663, 5335, 7447, 9009, 9339, 9999, 10501, 11011, 11811, 11911, 12121, 12321, 12621, 13531, 13831, 14041, 14541, 14841, 17671, 18181
Offset: 1
Links
- Kevin P. Thompson, Table of n, a(n) for n = 1..9932 (terms below 10^10, terms 1..760 from Robert G. Wilson v and terms 761..5862 from Amiram Eldar)