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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.

A078722 a(n) = prime(n*(n+1)/2+2).

Table of values

n a(n)
0 3
1 5
2 11
3 19
4 37
5 59
6 83
7 113
8 163
9 211
10 269
11 337
12 409
13 487
14 587
15 673
16 787
17 907
18 1031
19 1163
20 1301
21 1471
22 1613
23 1789
24 1997
25 2179
26 2381
27 2617
28 2801
29 3049
30 3319
31 3557
32 3821
33 4091
34 4373
35 4673
36 4993
37 5323
38 5651
39 5981
40 6317
41 6691
42 7039
43 7487
44 7853
45 8269
46 8693
47 9109

List of values

[3, 5, 11, 19, 37, 59, 83, 113, 163, 211, 269, 337, 409, 487, 587, 673, 787, 907, 1031, 1163, 1301, 1471, 1613, 1789, 1997, 2179, 2381, 2617, 2801, 3049, 3319, 3557, 3821, 4091, 4373, 4673, 4993, 5323, 5651, 5981, 6317, 6691, 7039, 7487, 7853, 8269, 8693, 9109]

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

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