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A104845 Primes from merging of 4 successive digits in decimal expansion of e. 24

%I #10 Dec 14 2014 06:19:53

%S 4523,8747,7757,7247,5749,6967,6277,3547,4759,3821,6427,4663,3919,

%T 2003,1741,9043,4357,8627,4349,6323,8807,5101,1019,1901,9011,1879,

%U 1499,4993,2447,7741,7411,8537,4243,2437,3907,2069,9551,7027,6133,3313,4583,4493

%N Primes from merging of 4 successive digits in decimal expansion of e.

%C Leading zeros are not permitted, so each term is 4 digits in length. - _Harvey P. Dale_, Oct 23 2011

%H Vincenzo Librandi, <a href="/A104845/b104845.txt">Table of n, a(n) for n = 1..1000</a>

%t With[{len=4},FromDigits/@Select[Partition[RealDigits[E,10,1000][[1]], len,1],PrimeQ[FromDigits[#]]&&IntegerLength[FromDigits[#]]==len&]] (* _Harvey P. Dale_, Oct 23 2011 *)

%Y Cf. A104843-A104862.

%K nonn,base

%O 1,1

%A Andrew G. West (WestA(AT)wlu.edu), Mar 27 2005

%E Offset changed from 0 to 1 by _Vincenzo Librandi_, Apr 21 2013

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)