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.

A378398 Rectangular array read by descending antidiagonals: (row 1) = u, and for n >= 2, (row n) = u-inverse runlength sequence of u, where u = A014675 (an infinite Fibonacci word). See Comments.

Table of values

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

List of values

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

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.