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.

A330173 a(n) = n + floor(ns/r) + floor(nt/r), where r = sqrt(2), s = sqrt(2) + 1, t = sqrt(2) + 2.

Table of values

n a(n)
1 4
2 9
3 15
4 19
5 25
6 30
7 34
8 40
9 45
10 51
11 55
12 60
13 66
14 70
15 76
16 81
17 87
18 91
19 96
20 102
21 106
22 112
23 117
24 121
25 127
26 132
27 138
28 142
29 148
30 153
31 157
32 163
33 168
34 174
35 178
36 183
37 189
38 193
39 199
40 204
41 208
42 214
43 219
44 225
45 229
46 235
47 240
48 244
49 250
50 255
51 261
52 265
53 270
54 276
55 280
56 286

List of values

[4, 9, 15, 19, 25, 30, 34, 40, 45, 51, 55, 60, 66, 70, 76, 81, 87, 91, 96, 102, 106, 112, 117, 121, 127, 132, 138, 142, 148, 153, 157, 163, 168, 174, 178, 183, 189, 193, 199, 204, 208, 214, 219, 225, 229, 235, 240, 244, 250, 255, 261, 265, 270, 276, 280, 286]