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 A256410 #9 Apr 13 2015 15:01:49 %S A256410 2,197,269,521,569,599,821,881,1061,1949,2129,2267,2309,2591,2969, %T A256410 3167,5021,5501,6701,7349,9437,10037,10427,10499,14009,14561,15287, %U A256410 16649,17027,17957,18059,18521,19697,19889,20549,20717,20771,22157,22637,23057,23561,24107,25169 %N A256410 Subtract 1 from the terms of A256407. %C A256410 Conjectured to be always a prime. But which primes are these? It would be nice to know of some other property that distinguishes these primes. See also the "blog" in A166133. %H A256410 Ray Chandler, <a href="/A256410/b256410.txt">Table of n, a(n) for n = 1..3258</a> %Y A256410 Cf. A166133, A256403-A256409. %K A256410 nonn %O A256410 1,1 %A A256410 _N. J. A. Sloane_, Apr 03 2015