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A059121 Smallest sets of 4 consecutive palindromic primes (palprimes) in arithmetic progression. The initial palindromic prime of each set is listed. 5

%I #9 Feb 01 2023 08:17:54

%S 1120211,159202951,185595581,190404091,317565713,10832723801,

%T 10875857801,12134643121,13201010231,13202120231,16831813861,

%U 16832623861,30113031103,31975057913,33396769333,34842724843

%N Smallest sets of 4 consecutive palindromic primes (palprimes) in arithmetic progression. The initial palindromic prime of each set is listed.

%F Sets are found by exhaustive search.

%e 159202951, 159232951, 159262951, 159292951 are consecutive palindromic primes, thus the smallest number is listed.

%Y Cf. A059120 (3 palprimes in AP), A059122 (5 palprimes in AP).

%K nonn,base,more

%O 1,1

%A Harvey Dubner (harvey(AT)dubner.com), Jan 07 2001

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Last modified April 19 16:52 EDT 2024. Contains 371794 sequences. (Running on oeis4.)