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.

A078725 a(n) = prime(n*(n+1)/2+4).

Table of values

n a(n)
0 7
1 11
2 17
3 29
4 43
5 67
6 97
7 131
8 173
9 227
10 277
11 349
12 421
13 499
14 599
15 683
16 809
17 919
18 1039
19 1181
20 1307
21 1483
22 1621
23 1811
24 2003
25 2207
26 2389
27 2633
28 2819
29 3067
30 3329
31 3571
32 3833
33 4099
34 4397
35 4691
36 5003
37 5347
38 5657
39 6007
40 6329
41 6703
42 7057
43 7499
44 7873
45 8287
46 8707
47 9133

List of values

[7, 11, 17, 29, 43, 67, 97, 131, 173, 227, 277, 349, 421, 499, 599, 683, 809, 919, 1039, 1181, 1307, 1483, 1621, 1811, 2003, 2207, 2389, 2633, 2819, 3067, 3329, 3571, 3833, 4099, 4397, 4691, 5003, 5347, 5657, 6007, 6329, 6703, 7057, 7499, 7873, 8287, 8707, 9133]