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.

A174059 a(n) = ceiling(Sum_{k=1..n} sqrt(k)).

Table of values

n a(n)
0 0
1 1
2 3
3 5
4 7
5 9
6 11
7 14
8 17
9 20
10 23
11 26
12 30
13 33
14 37
15 41
16 45
17 49
18 53
19 58
20 62
21 67
22 71
23 76
24 81
25 86
26 91
27 96
28 102
29 107
30 113
31 118
32 124
33 130
34 135
35 141
36 147
37 153
38 160
39 166
40 172
41 179
42 185
43 192
44 198
45 205
46 212
47 219
48 225
49 232
50 240
51 247
52 254
53 261
54 269
55 276
56 283
57 291
58 299
59 306

List of values

[0, 1, 3, 5, 7, 9, 11, 14, 17, 20, 23, 26, 30, 33, 37, 41, 45, 49, 53, 58, 62, 67, 71, 76, 81, 86, 91, 96, 102, 107, 113, 118, 124, 130, 135, 141, 147, 153, 160, 166, 172, 179, 185, 192, 198, 205, 212, 219, 225, 232, 240, 247, 254, 261, 269, 276, 283, 291, 299, 306]