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.

A117738 Least number d such that 10^n -/+ 3d form a prime pair.

Table of values

n a(n)
1 1
2 1
3 3
4 23
5 43
6 13
7 87
8 71
9 153
10 11
11 19
12 13
13 89
14 219
15 119
16 459
17 1
18 129
19 633
20 131
21 71
22 217
23 1091
24 911
25 1141
26 511
27 143
28 201
29 377
30 379
31 371
32 377
33 83
34 201
35 993
36 53
37 143
38 307
39 423
40 919
41 259
42 263
43 759
44 3933
45 3
46 1781
47 607
48 2327
49 7683
50 541
51 3443
52 6507
53 4023
54 3399
55 899

List of values

[1, 1, 3, 23, 43, 13, 87, 71, 153, 11, 19, 13, 89, 219, 119, 459, 1, 129, 633, 131, 71, 217, 1091, 911, 1141, 511, 143, 201, 377, 379, 371, 377, 83, 201, 993, 53, 143, 307, 423, 919, 259, 263, 759, 3933, 3, 1781, 607, 2327, 7683, 541, 3443, 6507, 4023, 3399, 899]