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A225142 Primes from merging of 10 successive digits in the decimal expansion of exp(Pi). 2

%I #13 Aug 27 2020 14:09:35

%S 1406926327,2632779269,9269005729,9045278351,9706754921,2196759527,

%T 3835844717,6468440141,6844014103,8216511287,8763773147,3473538331,

%U 6273655727,9618858059,5430487121,1300849327,9325853203,6189528329,6802254197,3054479927,4479927817

%N Primes from merging of 10 successive digits in the decimal expansion of exp(Pi).

%C Leading zeros are not permitted, so each prime is 10 digits in length. The terms are listed in the order in which they occur.

%H Bruno Berselli, <a href="/A225142/b225142.txt">Table of n, a(n) for n = 1..1000</a>

%H Simon Plouffe, <a href="http://www.worldwideschool.org/library/books/sci/math/MiscellaneousMathematicalConstants/chap28.html">exp(Pi) to 5000 digits</a>

%t With[{len = 10}, FromDigits /@ Select[Partition[RealDigits[E^Pi, 10, 600][[1]], len, 1], PrimeQ[FromDigits[#]] && IntegerLength[FromDigits[#]] == len &]]

%t Select[FromDigits/@Partition[RealDigits[Exp[Pi],10,600][[1]],10,1],PrimeQ[ #] && IntegerLength[#]==10&] (* _Harvey P. Dale_, Aug 27 2020 *)

%Y Cf. A039661, A105007 - A105014.

%Y Cf. A105015.

%K nonn,base

%O 1,1

%A _Bruno Berselli_, Apr 30 2013

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Last modified April 28 07:46 EDT 2024. Contains 372020 sequences. (Running on oeis4.)