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 A140541 #14 Feb 19 2021 02:17:11 %S A140541 67,101,271,373,509,577,883,1019,1087,1223,1291,1427,1597,1699,1733, %T A140541 1801,2039,2141,2243,2311,2447,2549,2617,2719,2753,2957,3229,3331, %U A140541 3433,3467,3637,3671,3739,3943,4079,4283,4657,4691,4759,4793,4861,5099,5167,5303 %N A140541 Primes of the form 17*k - 1. %H A140541 Daniel Starodubtsev, <a href="/A140541/b140541.txt">Table of n, a(n) for n = 1..10000</a> %e A140541 17*2 - 1 = 33 = 3*11, so 33 is not a term; %e A140541 17*16 - 1 = 271 (prime), so 217 is a term. %t A140541 Select[Range[17,15000,17]-1,PrimeQ] (* _Vladimir Joseph Stephan Orlovsky_, May 18 2011 *) %Y A140541 Cf. A140540, A140542, A140545. %K A140541 nonn %O A140541 1,1 %A A140541 _Juri-Stepan Gerasimov_, Jun 28 2008 %E A140541 More terms from _N. J. A. Sloane_, Jul 11 2008