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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.

A123576 The Kruskal-Macaulay function L_4(n).

Table of values

n a(n)
0 0
1 0
2 0
3 0
4 0
5 1
6 1
7 1
8 1
9 2
10 2
11 2
12 3
13 3
14 4
15 6
16 6
17 6
18 6
19 7
20 7
21 7
22 8
23 8
24 9
25 11
26 11
27 11
28 12
29 12
30 13
31 15
32 15
33 16
34 18
35 21
36 21
37 21
38 21
39 22
40 22
41 22
42 23
43 23
44 24
45 26
46 26
47 26
48 27
49 27
50 28
51 30
52 30
53 31
54 33
55 36
56 36
57 36
58 37
59 37
60 38
61 40
62 40
63 41
64 43
65 46
66 46
67 47
68 49
69 52
70 56
71 56
72 56
73 56
74 57
75 57
76 57
77 58

List of values

[0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 6, 6, 6, 6, 7, 7, 7, 8, 8, 9, 11, 11, 11, 12, 12, 13, 15, 15, 16, 18, 21, 21, 21, 21, 22, 22, 22, 23, 23, 24, 26, 26, 26, 27, 27, 28, 30, 30, 31, 33, 36, 36, 36, 37, 37, 38, 40, 40, 41, 43, 46, 46, 47, 49, 52, 56, 56, 56, 56, 57, 57, 57, 58]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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