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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.

A057555 Lexicographic ordering of N x N, where N = {1,2,3...}.

Table of values

n a(n)
1 1
2 1
3 1
4 2
5 2
6 1
7 1
8 3
9 2
10 2
11 3
12 1
13 1
14 4
15 2
16 3
17 3
18 2
19 4
20 1
21 1
22 5
23 2
24 4
25 3
26 3
27 4
28 2
29 5
30 1
31 1
32 6
33 2
34 5
35 3
36 4
37 4
38 3
39 5
40 2
41 6
42 1
43 1
44 7
45 2
46 6
47 3
48 5
49 4
50 4
51 5
52 3
53 6
54 2
55 7
56 1
57 1
58 8
59 2
60 7
61 3
62 6
63 4
64 5
65 5
66 4
67 6
68 3
69 7
70 2
71 8
72 1
73 1
74 9
75 2
76 8
77 3
78 7
79 4
80 6
81 5
82 5
83 6
84 4
85 7
86 3
87 8
88 2
89 9
90 1
91 1
92 10
93 2
94 9
95 3
96 8
97 4
98 7
99 5
100 6
101 6
102 5
103 7
104 4
105 8
106 3
107 9
108 2
109 10
110 1
111 1
112 11
113 2
114 10
115 3
116 9
117 4
118 8
119 5
120 7
121 6
122 6
123 7
124 5
125 8
126 4
127 9
128 3
129 10
130 2
131 11
132 1
133 1
134 12
135 2
136 11
137 3
138 10
139 4
140 9
141 5
142 8
143 6
144 7
145 7
146 6
147 8
148 5
149 9
150 4
151 10
152 3
153 11
154 2
155 12
156 1

List of values

[1, 1, 1, 2, 2, 1, 1, 3, 2, 2, 3, 1, 1, 4, 2, 3, 3, 2, 4, 1, 1, 5, 2, 4, 3, 3, 4, 2, 5, 1, 1, 6, 2, 5, 3, 4, 4, 3, 5, 2, 6, 1, 1, 7, 2, 6, 3, 5, 4, 4, 5, 3, 6, 2, 7, 1, 1, 8, 2, 7, 3, 6, 4, 5, 5, 4, 6, 3, 7, 2, 8, 1, 1, 9, 2, 8, 3, 7, 4, 6, 5, 5, 6, 4, 7, 3, 8, 2, 9, 1, 1, 10, 2, 9, 3, 8, 4, 7, 5, 6, 6, 5, 7, 4, 8, 3, 9, 2, 10, 1, 1, 11, 2, 10, 3, 9, 4, 8, 5, 7, 6, 6, 7, 5, 8, 4, 9, 3, 10, 2, 11, 1, 1, 12, 2, 11, 3, 10, 4, 9, 5, 8, 6, 7, 7, 6, 8, 5, 9, 4, 10, 3, 11, 2, 12, 1]