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 A256835 #4 Apr 11 2015 17:03:47 %S A256835 2417,2437,2657,2801,3301,3557,3697,4001,4337,4517,7877,10501,11617, %T A256835 12401,13217,19301,20357,20897,26737,28001,29297,33377,36997,38501, %U A256835 40037,44017,48197,49057,64901,70001,77477,78577,86501,90017,92401,104801,107377,108677 %N A256835 Primes of form n^2 + 2401. %C A256835 Conjecture: sequence is infinite. %H A256835 Reinhard Zumkeller, <a href="/A256835/b256835.txt">Table of n, a(n) for n = 1..10000</a> %o A256835 (Haskell) %o A256835 a256835 n = a256835_list !! (n-1) %o A256835 a256835_list = [x | x <- map (+ 2401) a000290_list, a010051' x == 1] %Y A256835 Cf. A010051, A000290; subsequence of A028916. %Y A256835 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), A256836 (b=8), A256837 (b=9), A256838 (b=10), A256839 (b=11), A256840 (b=12), A256841 (b=13). %K A256835 nonn %O A256835 1,1 %A A256835 _Reinhard Zumkeller_, Apr 11 2015