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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.

A086161 Number of monomial ideals in two variables x, y that are Artinian, integrally closed, of colength n and contain x^2.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 2
5 3
6 3
7 3
8 4
9 4
10 4
11 5
12 5
13 5
14 6
15 6
16 6
17 7
18 7
19 7
20 8
21 8
22 8
23 9
24 9
25 9
26 10
27 10
28 10
29 11
30 11
31 11
32 12
33 12
34 12
35 13
36 13
37 13
38 14
39 14
40 14
41 15
42 15
43 15
44 16
45 16
46 16
47 17
48 17
49 17
50 18
51 18
52 18
53 19
54 19
55 19
56 20
57 20
58 20
59 21
60 21
61 21
62 22
63 22
64 22
65 23
66 23
67 23
68 24
69 24
70 24
71 25
72 25
73 25

List of values

[1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 10, 11, 11, 11, 12, 12, 12, 13, 13, 13, 14, 14, 14, 15, 15, 15, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, 20, 20, 21, 21, 21, 22, 22, 22, 23, 23, 23, 24, 24, 24, 25, 25, 25]

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