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 A007628 Reflectable emirps. (Formerly M4892) 13
 13, 31, 113, 311, 1031, 1033, 1103, 1181, 1301, 1381, 1811, 1831, 3011, 3083, 3301, 3803, 10333, 11003, 11083, 11833, 18013, 18133, 18803, 30011, 30881, 31033, 31081, 31183, 33013, 33181, 33301, 33811, 38011, 38113 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Subsequence of A125308, the reflectable primes. - Reinhard Zumkeller, Jul 16 2014 REFERENCES N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). C. W. Trigg, "Reflective Primes", J. Rec. Math., 15 (1983), 251-256. LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 Prime Glossary, Reflectable prime C. W. Trigg, Reflectable primes, J. Recreational Mathematics 15.4 (1983), 253. (Annotated scanned copy) PROG (Haskell) a007628 n = a007628_list !! (n-1) a007628_list = filter f a125308_list where f p = a010051' q == 1 && q /= p where q = a004086 p -- Reinhard Zumkeller, Jul 16 2014 CROSSREFS Cf. A003684, A006567, A046732, A048051, A048052, A048053, A048054, A048895. Cf. A010051, A004086, A125308. Sequence in context: A044006 A179034 A179035 * A335787 A141837 A299888 Adjacent sequences: A007625 A007626 A007627 * A007629 A007630 A007631 KEYWORD nonn,base,nice,easy AUTHOR EXTENSIONS Missing 1811 inserted by Reinhard Zumkeller, Jul 16 2014 STATUS approved

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Last modified January 27 03:13 EST 2023. Contains 359836 sequences. (Running on oeis4.)