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.

A155212 a(n) = (n^2 + 9*n + 4)/2.

Table of values

n a(n)
0 2
1 7
2 13
3 20
4 28
5 37
6 47
7 58
8 70
9 83
10 97
11 112
12 128
13 145
14 163
15 182
16 202
17 223
18 245
19 268
20 292
21 317
22 343
23 370
24 398
25 427
26 457
27 488
28 520
29 553
30 587
31 622
32 658
33 695
34 733
35 772
36 812
37 853
38 895
39 938
40 982
41 1027
42 1073
43 1120
44 1168
45 1217
46 1267
47 1318
48 1370
49 1423
50 1477
51 1532

List of values

[2, 7, 13, 20, 28, 37, 47, 58, 70, 83, 97, 112, 128, 145, 163, 182, 202, 223, 245, 268, 292, 317, 343, 370, 398, 427, 457, 488, 520, 553, 587, 622, 658, 695, 733, 772, 812, 853, 895, 938, 982, 1027, 1073, 1120, 1168, 1217, 1267, 1318, 1370, 1423, 1477, 1532]