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 A099360 #12 Feb 16 2025 08:32:55
%S A099360 14,79,623,6559,83519,1185919,17850623,276922879,4362470399,
%T A099360 69257922559,1103812890623,17626570956799,281749955297279,
%U A099360 4505799053311999,72075187834650623,1153062248537784319,18447869999386460159
%N A099360 a(n) = (2^n + 1)^4 - 2.
%H A099360 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/integersequenceprimes.html">Integer Sequence Primes</a>.
%t A099360 Table[(2^n + 1)^4 - 2, {n, 0, 18}] (* _Stefan Steinerberger_, Mar 06 2006 *)
%o A099360 (PARI) a(n)=(2^n+1)^4-2 \\ _Charles R Greathouse IV_, Oct 01 2012
%Y A099360 Cf. A091513, A091515.
%K A099360 nonn,easy
%O A099360 0,1
%A A099360 _Parthasarathy Nambi_, Nov 16 2004
%E A099360 More terms from _Stefan Steinerberger_, Mar 06 2006