A309375 Unlucky palindromic primes.

2, 5, 11, 101, 131, 181, 191, 313, 353, 373, 383, 757, 797, 919, 929, 10301, 10601, 11311, 11411, 12421, 12721, 12821, 13331, 13931, 14341, 14741, 15451, 15551, 16061, 16361, 16561, 16661, 17471, 17971, 18481, 19391, 19891, 19991, 30203, 30403, 30703, 30803

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..5527 (terms below 10^9)

Example

a(1) = 2 because 2 is both a palindromic prime (A002385) and an unlucky number (A050505).

Prog

(SageMath)
[ p for p in A002385 if p in A050505 ]

Crossrefs

Intersection of A002385 and A050505.

Cf. A031881.

Sequence in context: A213073 A267527 A286453 * A018847 A178318 A134996

Adjacent sequences: A309372 A309373 A309374 * A309376 A309377 A309378

Keyword

nonn,base

Author

Hauke Löffler, Jul 26 2019

Extensions

4 wrong terms removed and more terms added by Amiram Eldar, May 14 2023

Status

approved