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 A103809 Primes from merging of 5 successive digits in decimal expansion of the Golden Ratio, (1+sqrt(5))/2. 24
 39887, 36563, 98057, 28621, 41893, 93911, 39113, 68917, 26633, 53693, 36931, 69317, 93179, 31793, 56383, 44381, 38149, 12203, 92461, 43207, 32077, 20771, 87433, 44221, 47809, 24007, 51797, 97883, 56249, 89069, 90697, 10427, 11177 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Leading zeros are not permitted, so each term is 5 digits in length. - Harvey P. Dale, Oct 23 2011 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..1000 Simon Plouffe, Expansion of the Golden Ratio done to 20,000 digits as part of project Gutenberg. Eric Weisstein's World of Mathematics, Golden Ratio. MATHEMATICA With[{len=5}, FromDigits/@Select[Partition[RealDigits[GoldenRatio, 10, 1000][[1]], len, 1], PrimeQ[FromDigits[#]] && IntegerLength[ FromDigits[#]] == len&]] (* Harvey P. Dale, Oct 23 2011 *) CROSSREFS Sequence in context: A235255 A234920 A116220 * A257192 A257185 A254985 Adjacent sequences: A103806 A103807 A103808 * A103810 A103811 A103812 KEYWORD nonn,base AUTHOR Andrew G. West (WestA(AT)wlu.edu), Mar 29 2005 EXTENSIONS Offset changed from 0 to 1 by Vincenzo Librandi, Apr 22 2013 STATUS approved

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Last modified March 26 04:58 EDT 2023. Contains 361529 sequences. (Running on oeis4.)