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.

A136241 Numbers n among A006093 such that n^2 + n - 1 is prime.

Table of values

n a(n)
1 2
2 4
3 6
4 10
5 16
6 28
7 30
8 46
9 60
10 66
11 70
12 96
13 100
14 126
15 130
16 138
17 148
18 180
19 196
20 240
21 268
22 306
23 330
24 358
25 378
26 396
27 408
28 418
29 420
30 448
31 456
32 478
33 486
34 490
35 598
36 606
37 616
38 618
39 640
40 646
41 676
42 708
43 750
44 786
45 838
46 856
47 906
48 946
49 966
50 976
51 996
52 1050
53 1060
54 1090

List of values

[2, 4, 6, 10, 16, 28, 30, 46, 60, 66, 70, 96, 100, 126, 130, 138, 148, 180, 196, 240, 268, 306, 330, 358, 378, 396, 408, 418, 420, 448, 456, 478, 486, 490, 598, 606, 616, 618, 640, 646, 676, 708, 750, 786, 838, 856, 906, 946, 966, 976, 996, 1050, 1060, 1090]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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