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.

A124254 Forest-and-trees problem: number of trees visible. (See Comments.)

Table of values

n a(n)
2 1
3 2
4 4
5 5
6 9
7 11
8 15
9 19
10 24
11 28
12 33
13 38
14 48
15 55
16 60
17 67
18 77
19 84
20 96
21 104
22 116
23 125
24 139
25 148
26 160
27 173
28 186
29 197
30 213
31 227
32 245
33 259
34 278
35 293
36 310
37 324
38 344
39 364
40 383
41 397
42 420
43 435
44 462
45 482
46 502
47 522
48 549
49 572
50 597
51 622
52 648
53 669
54 696
55 720
56 750
57 774
58 802

List of values

[1, 2, 4, 5, 9, 11, 15, 19, 24, 28, 33, 38, 48, 55, 60, 67, 77, 84, 96, 104, 116, 125, 139, 148, 160, 173, 186, 197, 213, 227, 245, 259, 278, 293, 310, 324, 344, 364, 383, 397, 420, 435, 462, 482, 502, 522, 549, 572, 597, 622, 648, 669, 696, 720, 750, 774, 802]