A208362 "2-ply" palindromic primes.
11, 101, 131, 151, 181, 191, 313, 353, 373, 383, 727, 757, 787, 797, 919, 929, 10301, 10501, 10601, 11311, 11411, 12421, 12721, 12821, 13331, 13831, 13931, 14341, 14741, 15451, 15551, 16061, 16361, 16561, 16661, 17471, 17971, 18181, 18481, 19391, 19891, 19991, 30103, 30203, 30403, 30703, 30803
Offset: 1
Examples
11 is a palindromic prime of 2 digits, 2 is a palindromic prime of 1 digit, 1 is NOT a palindromic prime.
References
- Paulo Ribenboim, The New Book of Prime Number Records, Springer-Verlag New York Inc., 1996, pages 160-161.
Links
- Alvin Hoover Belt, Table of n, a(n) for n = 1..151
Comments