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.

A039825 a(n) = floor((n^2 + n + 8) / 4).

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 9
6 12
7 16
8 20
9 24
10 29
11 35
12 41
13 47
14 54
15 62
16 70
17 78
18 87
19 97
20 107
21 117
22 128
23 140
24 152
25 164
26 177
27 191
28 205
29 219
30 234
31 250
32 266
33 282
34 299
35 317
36 335
37 353
38 372
39 392
40 412
41 432
42 453
43 475
44 497
45 519
46 542
47 566
48 590
49 614
50 639

List of values

[2, 3, 5, 7, 9, 12, 16, 20, 24, 29, 35, 41, 47, 54, 62, 70, 78, 87, 97, 107, 117, 128, 140, 152, 164, 177, 191, 205, 219, 234, 250, 266, 282, 299, 317, 335, 353, 372, 392, 412, 432, 453, 475, 497, 519, 542, 566, 590, 614, 639]