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A263240 Emirps whose reversals are merely their end digits swapped. 2

%I #14 Nov 09 2015 16:00:54

%S 13,17,31,37,71,73,79,97,107,113,149,157,167,179,199,311,337,347,359,

%T 389,701,709,733,739,743,751,761,769,907,937,941,953,967,971,983,991,

%U 1009,1223,1229,1559,1669,3221,3889,7229,9001,9221,9227,9551,9661,10007,10009,10909,11717,11719,12227,12323,12829,13337,13933,14143,14447,14449,14549,14843,14947

%N Emirps whose reversals are merely their end digits swapped.

%C Subsequence of emirps A006567 with which it is identical for the first 37 terms.

%C Entries with 4 or more digits consist of a middle repdigit or palindrome part inserted between the end digits.

%Y Cf. A006567, A263241, A263242.

%K nonn,base

%O 1,1

%A _Lekraj Beedassy_, Oct 13 2015

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Last modified April 25 16:45 EDT 2024. Contains 371989 sequences. (Running on oeis4.)