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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.

A210692 Number of parts that are visible in one of the three views of the shell model of partitions with n regions mentioned in A210991.

Table of values

n a(n)
1 1
2 3
3 6
4 6
5 11
6 11
7 18
8 18
9 18
10 18
11 29
12 29
13 29
14 29
15 44
16 44
17 44
18 44
19 44
20 44
21 44
22 66
23 66
24 66
25 66
26 66
27 66
28 66
29 66
30 96
31 96
32 96
33 96
34 96
35 96
36 96
37 96
38 96
39 96
40 96
41 96
42 138
43 138
44 138
45 138
46 138
47 138
48 138
49 138
50 138
51 138
52 138
53 138
54 138
55 138
56 194
57 194
58 194
59 194
60 194
61 194
62 194
63 194
64 194
65 194
66 194
67 194
68 194
69 194
70 194

List of values

[1, 3, 6, 6, 11, 11, 18, 18, 18, 18, 29, 29, 29, 29, 44, 44, 44, 44, 44, 44, 44, 66, 66, 66, 66, 66, 66, 66, 66, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 96, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 138, 194, 194, 194, 194, 194, 194, 194, 194, 194, 194, 194, 194, 194, 194, 194]

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

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