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.

A183140 a(n) = [1/s]+[2/s]+...+[n/s], where s=2+sqrt(2) and []=floor.

Table of values

n a(n)
0 0
1 0
2 0
3 1
4 2
5 3
6 5
7 7
8 9
9 11
10 14
11 17
12 20
13 24
14 28
15 32
16 36
17 41
18 46
19 51
20 57
21 63
22 69
23 76
24 83
25 90
26 97
27 105
28 113
29 121
30 130
31 139
32 148
33 157
34 167
35 177
36 187
37 198
38 209
39 220
40 232
41 244
42 256
43 268
44 281
45 294
46 307
47 321
48 335
49 349
50 363
51 378
52 393
53 408

List of values

[0, 0, 0, 1, 2, 3, 5, 7, 9, 11, 14, 17, 20, 24, 28, 32, 36, 41, 46, 51, 57, 63, 69, 76, 83, 90, 97, 105, 113, 121, 130, 139, 148, 157, 167, 177, 187, 198, 209, 220, 232, 244, 256, 268, 281, 294, 307, 321, 335, 349, 363, 378, 393, 408]