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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.

A163443 Primes p such that floor(p^3/27) is prime.

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%I A163443 #10 Oct 07 2024 02:33:46
%S A163443 17,31,103,157,179,193,233,733,827,1097,1129,1327,1543,1597,1723,1831,
%T A163443 1889,1907,2069,2137,2393,2677,2803,3163,3257,3433,3617,3797,4261,
%U A163443 4999,5233,5237,5309,5449,5701,5939,6079,6173,6637,6781,6961,7069,7321,7879
%N A163443 Primes p such that floor(p^3/27) is prime.
%H A163443 G. C. Greubel, <a href="/A163443/b163443.txt">Table of n, a(n) for n = 1..1000</a>
%e A163443 p=17 is in the sequence because [(17/3)^3] = [181.963] = 181 is prime.
%e A163443 p=31 is in the sequence because [(31/3)^3] = [1103.37] = 1103 is prime.
%t A163443 f[n_]:=IntegerPart[(p/3)^3]; lst={};Do[p=Prime[n];If[PrimeQ[f[p]],AppendTo[lst, p]],{n,7!}];lst
%Y A163443 Cf. A162652, A163418, A163419, A163420, A163421, A163422, A163424, A163425, A163426, A163427, A163428, A163429, A163430, A163431, A163442
%K A163443 nonn
%O A163443 1,1
%A A163443 _Vladimir Joseph Stephan Orlovsky_, Jul 27 2009
%E A163443 Introduced standard terminology in the definition - _R. J. Mathar_, Aug 02 2009