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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.

A368556 a(n) is the number of triangular partitions of size n with just one removable cell.

Table of values

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

List of values

[1, 2, 2, 2, 4, 2, 2, 6, 4, 2, 8, 2, 4, 10, 6, 2, 10, 6, 8, 12, 6, 2, 18, 6, 8, 16, 8, 8, 24, 2, 6, 20, 14, 12, 26, 6, 6, 24, 22, 6, 30, 6, 20, 30, 10, 8, 36, 14, 18, 32, 18, 4, 48, 18, 22, 30, 14, 12, 52, 14, 20, 42, 26, 24, 44, 6, 20, 52, 38, 12, 54, 10, 26]

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

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