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.
%I A077547 #24 Aug 30 2025 06:16:58
%S A077547 3,31,97,924269,1958577254745770740635072198655932631
%N A077547 Primes of the form floor(Pi^k).
%C A077547 The main entry for this sequence is A059792.
%C A077547 a(6) has 158 digits and is too large to include.
%H A077547 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/Pi-Prime.html">Pi-Prime</a>
%t A077547 lst={};Do[If[PrimeQ[p=Floor[Pi^n]],AppendTo[lst,p]],{n,4*5!}];lst (* _Vladimir Joseph Stephan Orlovsky_, Jan 28 2009 *)
%o A077547 (PARI) for(n=1,999,if(ispseudoprime(t=floor(Pi^n)),print1(t", "))) \\ _Charles R Greathouse IV_, Oct 03 2011
%Y A077547 Cf. A059792.
%K A077547 nonn,changed
%O A077547 1,1
%A A077547 _Amarnath Murthy_, Nov 09 2002
%E A077547 a(5) from _Vladimir Joseph Stephan Orlovsky_, Jan 28 2009