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.

A378396 Rectangular array read by descending antidiagonals: (row 1) = u, and for n >= 2, (row n) = u-inverse runlength sequence of u, where u = 1 + A010060. See Comments.

Table of values

n a(n)
1 1
2 2
3 2
4 2
5 1
6 2
7 1
8 1
9 2
10 1
11 2
12 2
13 1
14 1
15 2
16 1
17 2
18 2
19 2
20 1
21 1
22 1
23 1
24 1
25 2
26 2
27 1
28 1
29 2
30 2
31 1
32 1
33 2
34 2
35 2
36 2
37 2
38 2
39 2
40 2
41 1
42 1
43 1
44 1
45 2
46 1
47 1
48 2
49 2
50 1
51 1
52 1
53 1
54 2
55 1
56 1
57 2
58 1
59 1
60 2
61 2
62 2
63 2
64 1
65 1
66 1
67 2
68 1
69 2
70 2
71 1
72 2
73 1
74 1
75 2
76 2
77 2
78 2

List of values

[1, 2, 2, 2, 1, 2, 1, 1, 2, 1, 2, 2, 1, 1, 2, 1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 1, 2, 1, 2, 2, 1, 2, 1, 1, 2, 2, 2, 2]