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A225036 Primes from merging of 10 successive digits in the decimal expansion of Pi^2. 2

%I #26 Dec 09 2014 03:34:54

%S 5913774023,9137740231,7402314407,4023144077,8735261779,4830981887,

%T 8309818873,3307626667,8853659527,6595276357,5952763577,7635775283,

%U 3577528379,3792268331,9085975607,9264752779,6698082641,8968771057,1057327889,5972589229,4137067777

%N Primes from merging of 10 successive digits in the decimal expansion of Pi^2.

%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="/A225036/b225036.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/chap75.html">Pi^2 to 10000 digits</a>

%t With[{len = 10}, FromDigits /@ Select[Partition[RealDigits[Pi^2, 10, 600][[1]], len, 1], PrimeQ[FromDigits[#]] && IntegerLength[FromDigits[#]] == len &]]

%Y Cf. A002388, A104925 - A104932, A198174.

%Y Cf. A104933.

%K nonn,base

%O 1,1

%A _Bruno Berselli_, Apr 25 2013

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)