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.

A118843 Primes of the form ceiling(Pi^k).

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%I A118843 #16 Jul 17 2025 08:18:58
%S A118843 307,261424513284461,56129192858827520816193436882886842322337671
%N A118843 Primes of the form ceiling(Pi^k).
%C A118843 The next term (a(4)) has 472 digits. - _Harvey P. Dale_, Jan 16 2023
%H A118843 Amiram Eldar, <a href="/A118843/b118843.txt">Table of n, a(n) for n = 1..7</a>
%H A118843 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Pi-Prime.html">Pi-Prime</a>.
%t A118843 Select[Ceiling[Pi^Range[0,100]],PrimeQ] (* _Harvey P. Dale_, Jan 16 2023 *)
%Y A118843 Cf. A001673, A111937.
%K A118843 nonn
%O A118843 1,1
%A A118843 _Eric W. Weisstein_, May 01 2006