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 A004087 Primes written backwards. 34
 2, 3, 5, 7, 11, 31, 71, 91, 32, 92, 13, 73, 14, 34, 74, 35, 95, 16, 76, 17, 37, 97, 38, 98, 79, 101, 301, 701, 901, 311, 721, 131, 731, 931, 941, 151, 751, 361, 761, 371, 971, 181, 191, 391, 791, 991, 112, 322, 722, 922, 332, 932, 142, 152, 752, 362, 962, 172 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS R. Zumkeller, Table of n, a(n) for n = 1..10000 FORMULA a(n) = A004086(A000040(n)) = A000040(n) - A068396(n). - N. J. A. Sloane, Jun 29 2008 a(n) = A188649(A000040(n)). - Reinhard Zumkeller, Apr 11 2011 a(n) = A071786(A000040(n)). - Reinhard Zumkeller, Oct 14 2011 MATHEMATICA FromDigits[Reverse[IntegerDigits[#]]]&/@Prime[Range[100]] (* Vincenzo Librandi, Jul 05 2015 *) PROG (Haskell) a004087 n = a004087_list !! (n-1) a004087_list = map a004086 a000040_list -- Reinhard Zumkeller, Oct 14 2011 (Magma) [Seqint(Reverse(Intseq(NthPrime(n)))): n in [1..60]]; // Vincenzo Librandi, Jan 21 2016 (Python) from sympy import primerange print([int(str(p)[::-1]) for p in primerange(2, 272)]) # Michael S. Branicky, Jun 24 2022 CROSSREFS Cf. A000040. Sequence in context: A101989 A098922 A265324 * A118495 A028906 A118496 Adjacent sequences:  A004084 A004085 A004086 * A004088 A004089 A004090 KEYWORD nonn,base,look AUTHOR EXTENSIONS More terms from  Eric M. Schmidt, Apr 04 2014 STATUS approved

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Last modified November 26 07:57 EST 2022. Contains 358354 sequences. (Running on oeis4.)