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A048052 Start of the first occurrence of n consecutive reversible primes (emirps). 11

%I

%S 2,2,2,2,2,2,2,727,1193,1193,1477271183,9387802769,15423094826093

%N Start of the first occurrence of n consecutive reversible primes (emirps).

%C Palindromic primes are allowed.

%H Carlos Rivera, <a href="http://www.primepuzzles.net/problems/prob_017.htm">Problem 17. The largest known sequence of consecutive and reversible primes</a>, Problems and Puzzles.

%e 2, 3, 5, 7, 11, 13 and 17 are consecutive reversible primes, so a(7) = 2.

%Y Cf. A040104 (n=10), A048051 (n=11), A048053 (n=12), A003684, A006567, A007628, A046732, A048054, A048895.

%K base,nonn,more

%O 1,1

%A _Jud McCranie_

%E Corrected by _Rick L. Shepherd_, May 28 2002

%E a(13) from _Giovanni Resta_, Nov 07 2019

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Last modified July 2 15:56 EDT 2020. Contains 335404 sequences. (Running on oeis4.)