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%I #9 Oct 26 2020 17:15:46
%S 467,941,13681,14461,21787,22171,22369,24049,24151,25457,29333,37397,
%T 41221,42467,43481,46511,48023,54133,56681,68699,75883,85081,101341,
%U 103511,117443,120193,126199,137363,144323,145133,158791,175853,181891,183797
%N Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.
%H C. Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_029.htm">Details of procedure</a>
%Y Cf. A030459, A034592, A036340, A036341.
%K nonn,base
%O 1,1
%A _Patrick De Geest_, Dec 15 1998
%E Offset corrected and missing 181891 inserted by _Sean A. Irvine_, Oct 26 2020