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.

A337134 a(n) = Sum_{k=1..n} floor(sqrt(2k-1)).

Table of values

n a(n)
1 1
2 2
3 4
4 6
5 9
6 12
7 15
8 18
9 22
10 26
11 30
12 34
13 39
14 44
15 49
16 54
17 59
18 64
19 70
20 76
21 82
22 88
23 94
24 100
25 107
26 114
27 121
28 128
29 135
30 142
31 149
32 156
33 164
34 172
35 180
36 188
37 196
38 204
39 212
40 220
41 229
42 238
43 247
44 256
45 265
46 274
47 283
48 292
49 301
50 310
51 320
52 330
53 340
54 350
55 360
56 370
57 380
58 390
59 400
60 410
61 421
62 432

List of values

[1, 2, 4, 6, 9, 12, 15, 18, 22, 26, 30, 34, 39, 44, 49, 54, 59, 64, 70, 76, 82, 88, 94, 100, 107, 114, 121, 128, 135, 142, 149, 156, 164, 172, 180, 188, 196, 204, 212, 220, 229, 238, 247, 256, 265, 274, 283, 292, 301, 310, 320, 330, 340, 350, 360, 370, 380, 390, 400, 410, 421, 432]