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 A119772 #18 Jun 06 2024 03:49:03 %S A119772 2,7,53,311,1619,8161,38873,180503,821641,3681131,16290047,71378569, %T A119772 310248241,1339484197,5750079047,24563311309,104484802057, %U A119772 442795487221,1870358526653,7877263558621,33089240375501,138666449011757,579863159340527,2420094683001859,10082409897709157 %N A119772 a(n) = prime(4^n). %H A119772 Amiram Eldar, <a href="/A119772/b119772.txt">Table of n, a(n) for n = 0..39</a> (calculated from the b-file at A033844; terms 0..28 from Charles R Greathouse IV, a(26) corrected) %H A119772 Andrew Booker, <a href="https://t5k.org/nthprime/">The Nth Prime Page</a>. %F A119772 a(n) = A033844(2*n). - _Amiram Eldar_, Jun 06 2024 %t A119772 Prime[4^Range[0,20]] (* _Harvey P. Dale_, Jul 12 2011 *) %o A119772 (PARI) a(n)=prime(4^n) \\ _Charles R Greathouse IV_, Nov 02 2014 %Y A119772 Cf. A033844. %K A119772 nonn,hard %O A119772 0,1 %A A119772 Jim Snow (jsnow(AT)mitre.org), Jun 22 2006 %E A119772 a(20)-a(24) from _Charles R Greathouse IV_, Nov 02 2014