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Smallest sets of 3 consecutive palindromic primes (palprimes) in arithmetic progression. The first prime of each set is listed.
5

%I #8 Jan 31 2023 14:18:38

%S 3,727,74747,79397,94049,1120211,1123211,1180811,1190911,1212121,

%T 1640461,3627263,3991993,7690967,9932399,110343011,114818411,

%U 115737511,122232221,127747721,130222031,139222931,144818441,147313741,153424351

%N Smallest sets of 3 consecutive palindromic primes (palprimes) in arithmetic progression. The first prime of each set is listed.

%F The sequence was found by exhaustive search

%e 94049, 94349, 94649 are consecutive palindromic primes so 94049 is in the list.

%Y Cf. A059121 (4 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