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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.

A243895 a(n) = prime(n^2-1).

Table of values

n a(n)
2 5
3 19
4 47
5 89
6 149
7 223
8 307
9 409
10 523
11 659
12 823
13 997
14 1187
15 1423
16 1613
17 1877
18 2141
19 2423
20 2731
21 3079
22 3457
23 3797
24 4201
25 4621
26 5039
27 5507
28 5987
29 6473
30 6991
31 7561
32 8147
33 8731
34 9337
35 9929
36 10613
37 11317
38 12043
39 12739
40 13487
41 14323
42 15091
43 15859
44 16741

List of values

[5, 19, 47, 89, 149, 223, 307, 409, 523, 659, 823, 997, 1187, 1423, 1613, 1877, 2141, 2423, 2731, 3079, 3457, 3797, 4201, 4621, 5039, 5507, 5987, 6473, 6991, 7561, 8147, 8731, 9337, 9929, 10613, 11317, 12043, 12739, 13487, 14323, 15091, 15859, 16741]

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

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