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 A248606 #13 May 19 2023 17:47:43 %S A248606 2,5,7,13,17,19,37,53,79,89,103,137,193,223,229,313,317,337,359,383, %T A248606 389,409,419,509,557,563,569,587,599,613,653,677,733,787,827,853,883, %U A248606 929,1013,1069,1093,1123,1163,1237,1249,1277,1279,1303,1373,1493 %N A248606 Primes p such that (2*p)^3 - 3 is also prime. %H A248606 Harvey P. Dale, <a href="/A248606/b248606.txt">Table of n, a(n) for n = 1..1000</a> %e A248606 2 is in this sequence because (2*2)^3 - 3 = 61 where 2 and 61 are both prime. %t A248606 Select[Prime[Range[250]],PrimeQ[(2#)^3-3]&] (* _Harvey P. Dale_, May 19 2023 *) %o A248606 (Magma) [p: p in PrimesUpTo(1500) | IsPrime((2*p)^3 - 3)]; %Y A248606 Cf. A000040, A241808. %K A248606 nonn %O A248606 1,1 %A A248606 _Juri-Stepan Gerasimov_, Oct 09 2014