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 A256841 #6 Oct 18 2021 18:47:10 %S A256841 28597,28661,28817,28961,29137,29717,30161,30497,30677,31477,32917, %T A256841 33461,34337,34961,35617,37397,38561,42017,42961,47057,49297,49877, %U A256841 51061,55457,60961,62417,64661,66977,70177,70997,72661,74357,75217,76961,78737,86161,93077 %N A256841 Primes of form n^2 + 28561. %C A256841 Conjecture: sequence is infinite. %H A256841 Reinhard Zumkeller, <a href="/A256841/b256841.txt">Table of n, a(n) for n = 1..10000</a> %t A256841 Select[Range[300]^2+28561,PrimeQ] (* _Harvey P. Dale_, Oct 18 2021 *) %o A256841 (Haskell) %o A256841 a256841 n = a256841_list !! (n-1) %o A256841 a256841_list = [x | x <- map (+ 28561) a000290_list, a010051' x == 1] %Y A256841 Cf. A010051, A000290; subsequence of A028916. %Y A256841 Primes of form n^2+b^4, b fixed: A002496 (b=1), A243451 (b=2), A256775 (b=3), A256776 (b=4), A256777 (b=5), A256834 (b=6), A256835 (b=7), A256836 (b=8), A256837 (b=9), A256838 (b=10), A256839 (b=11), A256840 (b=12). %K A256841 nonn %O A256841 1,1 %A A256841 _Reinhard Zumkeller_, Apr 11 2015