cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A117839 Primes of the form floor(Pi^k + e^k).

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%I A117839 #17 Aug 30 2025 10:05:07
%S A117839 2,5,17,9255121991,28870447577
%N A117839 Primes of the form floor(Pi^k + e^k).
%C A117839 Intersection of A000040 and A061675.
%C A117839 The next term has 1535 digits. - _Harvey P. Dale_, Apr 26 2011
%t A117839 Select[Table[Floor[\[Pi]^n+E^n],{n,0,5000}],PrimeQ]  (* _Harvey P. Dale_, Apr 26 2011 *)
%Y A117839 See also A059792 (Numbers k such that floor(Pi^k) is prime) and their corresponding primes A077547.
%Y A117839 See also A059303 (Numbers k such that floor(e^k) + 1 is prime) and their corresponding primes A118840.
%Y A117839 Cf. A000040, A059303, A059792, A061675, A077547, A074496.
%K A117839 nonn,changed
%O A117839 1,1
%A A117839 _Jonathan Vos Post_, Apr 30 2006