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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.

A064218 Least k such that k*10^n +/- 1 are twin primes.

Table of values

n a(n)
0 4
1 3
2 6
3 3
4 18
5 240
6 24
7 3
8 174
9 93
10 57
11 141
12 465
13 501
14 105
15 822
16 552
17 324
18 555
19 237
20 867
21 1488
22 543
23 2556
24 1050
25 105
26 51
27 429
28 1470
29 147
30 567
31 1329
32 636
33 5016
34 645
35 4713
36 1116
37 1029
38 462
39 567
40 5757
41 951
42 5547
43 1245
44 2823
45 5931
46 1989
47 525
48 6246
49 1716

List of values

[4, 3, 6, 3, 18, 240, 24, 3, 174, 93, 57, 141, 465, 501, 105, 822, 552, 324, 555, 237, 867, 1488, 543, 2556, 1050, 105, 51, 429, 1470, 147, 567, 1329, 636, 5016, 645, 4713, 1116, 1029, 462, 567, 5757, 951, 5547, 1245, 2823, 5931, 1989, 525, 6246, 1716]

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

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