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.

A339947 Mark each point on the n X n X n X n grid with the number of points that are visible from it; a(n) is the number of distinct values in the grid.

Table of values

n a(n)
1 1
2 5
3 5
4 13
5 5
6 33
7 23
8 30
9 25
10 69
11 23
12 150
13 79
14 119
15 161
16 385
17 125
18 501
19 178
20 443
21 548
22 1105
23 273
24 1119
25 921
26 1339
27 1202
28 2049
29 228
30 2237
31 2041
32 2792
33 2431
34 3096
35 1006
36 5905
37 4216
38 5230
39 3433
40 7596
41 1531
42 10026
43 6556
44 6939
45 8201
46 14190
47 3105
48 13431
49 7068
50 12673
51 12587
52 22075
53 4080
54 17211
55 13183
56 19462
57 18667
58 29950
59 2709
60 34199

List of values

[1, 5, 5, 13, 5, 33, 23, 30, 25, 69, 23, 150, 79, 119, 161, 385, 125, 501, 178, 443, 548, 1105, 273, 1119, 921, 1339, 1202, 2049, 228, 2237, 2041, 2792, 2431, 3096, 1006, 5905, 4216, 5230, 3433, 7596, 1531, 10026, 6556, 6939, 8201, 14190, 3105, 13431, 7068, 12673, 12587, 22075, 4080, 17211, 13183, 19462, 18667, 29950, 2709, 34199]