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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.

A204659 Numbers n such that n!9-1 is prime.

Table of values

n a(n)
1 3
2 4
3 6
4 8
5 15
6 20
7 23
8 27
9 30
10 44
11 51
12 62
13 80
14 90
15 95
16 114
17 129
18 138
19 150
20 152
21 156
22 182
23 201
24 216
25 293
26 332
27 342
28 393
29 411
30 414
31 419
32 525
33 668
34 743
35 800
36 972
37 1034
38 1266
39 1785
40 1869
41 2777
42 3561
43 3780
44 4106
45 4328
46 4428
47 4556
48 4574
49 4629
50 5001
51 5397
52 6315

List of values

[3, 4, 6, 8, 15, 20, 23, 27, 30, 44, 51, 62, 80, 90, 95, 114, 129, 138, 150, 152, 156, 182, 201, 216, 293, 332, 342, 393, 411, 414, 419, 525, 668, 743, 800, 972, 1034, 1266, 1785, 1869, 2777, 3561, 3780, 4106, 4328, 4428, 4556, 4574, 4629, 5001, 5397, 6315]

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

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