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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.

A290140 The number of maximal subsemigroups of the Jones monoid on the set [1..n].

Table of values

n a(n)
1 1
2 2
3 5
4 9
5 13
6 19
7 27
8 39
9 57
10 85
11 129
12 199
13 311
14 491
15 781
16 1249
17 2005
18 3227
19 5203
20 8399
21 13569
22 21933
23 35465
24 57359
25 92783
26 150099
27 242837
28 392889
29 635677
30 1028515
31 1664139
32 2692599
33 4356681
34 7049221
35 11405841
36 18454999
37 29860775
38 48315707
39 78176413

List of values

[1, 2, 5, 9, 13, 19, 27, 39, 57, 85, 129, 199, 311, 491, 781, 1249, 2005, 3227, 5203, 8399, 13569, 21933, 35465, 57359, 92783, 150099, 242837, 392889, 635677, 1028515, 1664139, 2692599, 4356681, 7049221, 11405841, 18454999, 29860775, 48315707, 78176413]

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

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