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.

A215725 Numbers x such that 2*x+1 is prime as is 2*x+3 and x^2+x+41 and (x+1)^2+(x+1)+41.

Table of values

n a(n)
1 1
2 2
3 5
4 8
5 14
6 20
7 29
8 35
9 50
10 53
11 68
12 74
13 98
14 113
15 119
16 134
17 230
18 404
19 413
20 509
21 575
22 650
23 713
24 725
25 809
26 893
27 935
28 938
29 974
30 1013
31 1043
32 1133
33 1190
34 1400
35 1625
36 1730
37 1778
38 1958
39 2045
40 2318
41 2510
42 2933
43 2939
44 3224
45 3344
46 3389
47 3743
48 3773

List of values

[1, 2, 5, 8, 14, 20, 29, 35, 50, 53, 68, 74, 98, 113, 119, 134, 230, 404, 413, 509, 575, 650, 713, 725, 809, 893, 935, 938, 974, 1013, 1043, 1133, 1190, 1400, 1625, 1730, 1778, 1958, 2045, 2318, 2510, 2933, 2939, 3224, 3344, 3389, 3743, 3773]