cp's OEIS Frontend

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.

A123100 Primes of the form (1+2n+3n^2+4n^3)/5.

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%I A123100 #8 Mar 21 2013 13:18:18
%S A123100 2,197,354677,713357,959597,1256837,3676037,5168717,7018997,11945957,
%T A123100 15099437,18764117,25303637,36170597,42610877,46099517,49773557,
%U A123100 71092757,75979997,91974917,110070437,123365117,161190317,306442277
%N A123100 Primes of the form (1+2n+3n^2+4n^3)/5.
%C A123100 All terms > 2 are congruent to 7 (mod 10).
%C A123100 Corresponding n's are: 1, 6, 76, 96, 106, 116, 166, 186, 206, 246, 266, 286, 316, 356, 376, 386, 396, 446, 456, 486, 516, 536, 586, 726, 736, 746, 766, 796, 846, 866, 906, 916, 1036, 1046, 1076, 1116, 1126, 1156, 1176, 1236, 1296, 1316, 1326, 1406, 1456, 1546, 1586, 1596, 1686, 1706, 1786, 1816, 1896, 1926, 1956, all are congruent to 1 (mod 5).
%H A123100 Vincenzo Librandi, <a href="/A123100/b123100.txt">Table of n, a(n) for n = 1..1000</a>
%t A123100 Select[Table[(1 + 2 n + 3 n^2 + 4 n^3)/5, {n, 0, 200}], PrimeQ] (* _Vincenzo Librandi_, Mar 21 2013 *)
%Y A123100 Cf. A056578, A123059.
%K A123100 nonn,easy
%O A123100 1,1
%A A123100 _Zak Seidov_, Sep 27 2006