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.

A054978 Obtained from sequence of lucky numbers (A000959) by taking iterated absolute value differences of terms and extracting the leading diagonal.

Table of values

n a(n)
0 1
1 2
2 2
3 0
4 0
5 0
6 2
7 2
8 2
9 0
10 0
11 0
12 2
13 0
14 2
15 0
16 0
17 2
18 0
19 0
20 2
21 2
22 0
23 2
24 0
25 0
26 2
27 2
28 2
29 0
30 0
31 2
32 2
33 2
34 0
35 2
36 2
37 0
38 2
39 2
40 0
41 2
42 0
43 0
44 2
45 2
46 2
47 2
48 0
49 0
50 2
51 2
52 0
53 2
54 2
55 0
56 2
57 0
58 2
59 0
60 2
61 2
62 2
63 2
64 0
65 2
66 0
67 2
68 2
69 2
70 0
71 0
72 0
73 2
74 2
75 2
76 2
77 2
78 2
79 0
80 0
81 0
82 0
83 2
84 2
85 2
86 2
87 2
88 2
89 2
90 2
91 2
92 0
93 0
94 0
95 2
96 0
97 2
98 0
99 0
100 0
101 2
102 0
103 2
104 2

List of values

[1, 2, 2, 0, 0, 0, 2, 2, 2, 0, 0, 0, 2, 0, 2, 0, 0, 2, 0, 0, 2, 2, 0, 2, 0, 0, 2, 2, 2, 0, 0, 2, 2, 2, 0, 2, 2, 0, 2, 2, 0, 2, 0, 0, 2, 2, 2, 2, 0, 0, 2, 2, 0, 2, 2, 0, 2, 0, 2, 0, 2, 2, 2, 2, 0, 2, 0, 2, 2, 2, 0, 0, 0, 2, 2, 2, 2, 2, 2, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 0, 2, 0, 2, 0, 0, 0, 2, 0, 2, 2]