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.

A024570 a(n) = Sum_{k=1..n} [ 1/{k*r} ] where r = (1 + sqrt(5))/2 and {x} := x - [ x ].

Table of values

n a(n)
1 1
2 5
3 6
4 8
5 19
6 20
7 23
8 24
9 25
10 30
11 31
12 33
13 62
14 63
15 66
16 67
17 68
18 76
19 77
20 79
21 80
22 81
23 85
24 86
25 88
26 102
27 103
28 106
29 107
30 108
31 114
32 115
33 117
34 193
35 194
36 198
37 199
38 201
39 210
40 211
41 213
42 214
43 215
44 220
45 221
46 223
47 244
48 245
49 248
50 249
51 250
52 257
53 258
54 260
55 261
56 262
57 266
58 267
59 269
60 281
61 282
62 285

List of values

[1, 5, 6, 8, 19, 20, 23, 24, 25, 30, 31, 33, 62, 63, 66, 67, 68, 76, 77, 79, 80, 81, 85, 86, 88, 102, 103, 106, 107, 108, 114, 115, 117, 193, 194, 198, 199, 201, 210, 211, 213, 214, 215, 220, 221, 223, 244, 245, 248, 249, 250, 257, 258, 260, 261, 262, 266, 267, 269, 281, 282, 285]