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 A128436 #15 Sep 08 2022 08:45:30 %S A128436 3,7,31,37,97,157,211,331,547,577,661,727,811,937,967,1171,1297,1627, %T A128436 2011,2131,2137,2467,2551,2617,3067,3181,3331,3391,3607,4111,4507, %U A128436 4621,4861,5167,5431,5581,5851,6037,6121,6271,6841,6967,7297,7681,7867,8317 %N A128436 Primes p such that 2p - 3 and 2p - 1 are twin primes. %H A128436 Amiram Eldar, <a href="/A128436/b128436.txt">Table of n, a(n) for n = 1..10000</a> %t A128436 Select[Prime[Range[1000]], PrimeQ[2# - 1] && PrimeQ[2# - 3] &] (* _Ray Chandler_, May 11 2007 *) %o A128436 (Magma) [ p: p in PrimesUpTo(9000) | IsPrime(2*p-3) and IsPrime(2*p-1)] // _Vincenzo Librandi_, Jan 29 2011 %Y A128436 Cf. A001097, A005382. %K A128436 nonn %O A128436 1,1 %A A128436 _Zak Seidov_, Mar 03 2007