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 A123077 #11 Sep 08 2022 08:45:28
%S A123077 5,71,293,7103,32213,40487,50069,87623,161831,211007,238949,337343,
%T A123077 852263,922037,1328447,1421909,1955399,2607989,3061703,3744551,
%U A123077 4121087,4318469,4731941,5400359,5879231,7198421,9356927,10400501,10764863
%N A123077 Primes of the form (1+2n+3n^2+4n^3)/2.
%C A123077 Corresponding n's are 1, 3, 5, 15, 25, 27, 29, 35, 43, 47, 49, 55, 75, 77, 87, 89, 99, 109, 115, 123, 127, 129, 133, 139, 143, 153, 167, 173, 175, 179, 183, 185, 195, 199, 207, 209, 227, 229, 239, 245, 257, 259, 269, 273, 283, 285, 299, 309, 315, 325, 327, 337, 347, 349, 357, 363, 369, 377, 379, 393, 399, 403, 409, 417, 425, 439, 523, 539, 545, 559, 567, 575, 587, 589, 593, 607, 623, 659, 687, 697, 699.
%C A123077 There are no primes of the form (1+2n+3n^2+4n^3)/3.
%H A123077 Vincenzo Librandi, <a href="/A123077/b123077.txt">Table of n, a(n) for n = 1..1000</a>
%t A123077 Select[Table[(1 + 2 n + 3 n^2 + 4 n^3)/2, {n, 0, 200}], PrimeQ] (* _Vincenzo Librandi_, Mar 21 2013 *)
%o A123077 (Magma) [a: n in [0..250] | IsPrime(a) where a is (1 + 2*n + 3*n^2 + 4*n^3) div 2]; // _Vincenzo Librandi_, Mar 21 2013
%Y A123077 Cf. A056578, A123059.
%K A123077 easy,nonn
%O A123077 1,1
%A A123077 _Zak Seidov_, Sep 27 2006