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.

A001855 Sorting numbers: maximal number of comparisons for sorting n elements by binary insertion.

Table of values

n a(n)
1 0
2 1
3 3
4 5
5 8
6 11
7 14
8 17
9 21
10 25
11 29
12 33
13 37
14 41
15 45
16 49
17 54
18 59
19 64
20 69
21 74
22 79
23 84
24 89
25 94
26 99
27 104
28 109
29 114
30 119
31 124
32 129
33 135
34 141
35 147
36 153
37 159
38 165
39 171
40 177
41 183
42 189
43 195
44 201
45 207
46 213
47 219
48 225
49 231
50 237
51 243
52 249
53 255
54 261
55 267
56 273
57 279
58 285

List of values

[0, 1, 3, 5, 8, 11, 14, 17, 21, 25, 29, 33, 37, 41, 45, 49, 54, 59, 64, 69, 74, 79, 84, 89, 94, 99, 104, 109, 114, 119, 124, 129, 135, 141, 147, 153, 159, 165, 171, 177, 183, 189, 195, 201, 207, 213, 219, 225, 231, 237, 243, 249, 255, 261, 267, 273, 279, 285]