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.

A213195 Second inverse function (of columns) for pairing function A211377.

Table of values

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

List of values

[1, 3, 2, 1, 2, 1, 5, 4, 3, 4, 3, 2, 1, 2, 1, 7, 6, 5, 6, 5, 4, 3, 4, 3, 2, 1, 2, 1, 9, 8, 7, 8, 7, 6, 5, 6, 5, 4, 3, 4, 3, 2, 1, 2, 1, 11, 10, 9, 10, 9, 8, 7, 8, 7, 6, 5, 6, 5, 4, 3, 4, 3, 2, 1, 2, 1, 13, 12, 11, 12, 11, 10, 9, 10, 9, 8, 7, 8, 7, 6, 5, 6, 5, 4, 3, 4, 3, 2, 1, 2, 1]