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 A038680 Primes ending in a (different) prime. 2
 13, 17, 23, 37, 43, 47, 53, 67, 73, 83, 97, 103, 107, 113, 127, 131, 137, 157, 163, 167, 173, 179, 193, 197, 211, 223, 227, 229, 233, 241, 257, 263, 271, 277, 283, 293, 307, 311, 313, 317, 331, 337, 347, 353, 359, 367, 373, 379, 383, 389, 397 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Reinhard Zumkeller, Table of n, a(n) for n = 1..10000 MATHEMATICA ds[n_] := NestWhileList[FromDigits[Rest[IntegerDigits[#]]] &, n, # > 9 &]; Select[Prime[Range[5, 80]], Or @@ PrimeQ /@ Rest[ds[#]] &] (* Jayanta Basu, Jul 10 2013 *) PROG (Haskell) import Data.List (tails) a038680 n = a038680_list !! (n-1) a038680_list = filter (any ((== 1) . a010051. read) . init . tail . tails . show) a000040_list -- Reinhard Zumkeller, Jul 10 2013 CROSSREFS Cf. A033664, A010051, A000040. Sequence in context: A172096 A022893 A211490 * A227916 A158072 A277689 Adjacent sequences: A038677 A038678 A038679 * A038681 A038682 A038683 KEYWORD nonn,base,easy AUTHOR N. J. A. Sloane. EXTENSIONS Missing a(19)=163 added by Jayanta Basu STATUS approved

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Last modified December 10 17:26 EST 2023. Contains 367713 sequences. (Running on oeis4.)