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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.

A057559 Lexicographic ordering of NxNxNxN, where N={1,2,3,...}.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 2
9 1
10 1
11 2
12 1
13 1
14 2
15 1
16 1
17 2
18 1
19 1
20 1
21 1
22 1
23 1
24 3
25 1
26 1
27 2
28 2
29 1
30 1
31 3
32 1
33 1
34 2
35 1
36 2
37 1
38 2
39 2
40 1
41 1
42 3
43 1
44 1
45 2
46 1
47 1
48 2
49 2
50 1
51 2
52 1
53 2
54 2
55 1
56 1
57 3
58 1
59 1
60 1
61 1
62 1
63 1
64 4
65 1
66 1
67 2
68 3
69 1
70 1
71 3
72 2
73 1
74 1
75 4
76 1
77 1
78 2
79 1
80 3
81 1
82 2
83 2
84 2
85 1
86 2
87 3
88 1
89 1
90 3
91 1
92 2
93 1
94 3
95 2
96 1
97 1
98 4
99 1
100 1
101 2
102 1
103 1
104 3
105 2
106 1
107 2
108 2
109 2
110 1
111 3
112 1
113 2
114 2
115 1
116 2
117 2
118 2
119 2
120 1
121 2
122 3
123 1
124 1
125 3
126 1
127 1
128 2
129 3
130 1
131 2
132 1
133 3
134 2
135 1
136 1
137 4
138 1
139 1
140 1

List of values

[1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 3, 1, 1, 2, 2, 1, 1, 3, 1, 1, 2, 1, 2, 1, 2, 2, 1, 1, 3, 1, 1, 2, 1, 1, 2, 2, 1, 2, 1, 2, 2, 1, 1, 3, 1, 1, 1, 1, 1, 1, 4, 1, 1, 2, 3, 1, 1, 3, 2, 1, 1, 4, 1, 1, 2, 1, 3, 1, 2, 2, 2, 1, 2, 3, 1, 1, 3, 1, 2, 1, 3, 2, 1, 1, 4, 1, 1, 2, 1, 1, 3, 2, 1, 2, 2, 2, 1, 3, 1, 2, 2, 1, 2, 2, 2, 2, 1, 2, 3, 1, 1, 3, 1, 1, 2, 3, 1, 2, 1, 3, 2, 1, 1, 4, 1, 1, 1]