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 A228032 #21 Sep 08 2022 08:46:05
%S A228032 11,67,4099,32771,262147,1073741827,19342813113834066795298819
%N A228032 Primes of the form 8^n + 3.
%H A228032 Vincenzo Librandi, <a href="/A228032/b228032.txt">Table of n, a(n) for n = 1..14</a>
%t A228032 Select[Table[8^n + 3, {n, 0, 300}], PrimeQ]
%o A228032 (Magma) [a: n in [0..300] | IsPrime(a) where a is 8^n+3];
%Y A228032 Cf. A217354 (associated n).
%Y A228032 Cf. Primes of the form k^n + h: A092506 (k=2, h=1), A057733 (k=2, h=3), A123250 (k=2, h=5), A104066 (k=2, h=7), A104070 (k=2, h=9), A057735 (k=3, h=2), A102903 (k=3, h=4), A102870 (k=3, h=8), A102907 (k=3, h=10), A290200 (k=4, h=1), A182330 (k=5, h=2), A102910 (k=5, h=8), A182331 (k=6, h=1), A104118 (k=6, h=5), A104115 (k=6, h=7), A104065 (k=7, h=4), this sequence (k=8, h=3), A144360 (k=8, h=7), A145440 (k=8, h=9), A228034 (k=9, h=2), A159352 (k=10, h=3), A159031 (k=10, h=7).
%K A228032 nonn,easy
%O A228032 1,1
%A A228032 _Vincenzo Librandi_, Aug 11 2013
%E A228032 Corrected cross-references - _Robert Price_, Aug 01 2017