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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.

A360037 Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 2, 2, 2, ..., n, n, n] into k nonempty subsets, for 3 <= k <= 3n.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 4
8 10
9 13
10 7
11 3
12 1
13 1
14 14
15 92
16 221
17 249
18 172
19 81
20 25
21 6
22 1
23 1
24 50
25 872
26 4277
27 8806
28 9840
29 6945
30 3377
31 1206
32 325
33 65
34 10
35 1
36 1
37 186
38 8496
39 85941
40 320320
41 585960
42 627838
43 442321
44 221475
45 82985
46 24038
47 5496
48 995
49 140
50 15
51 1

List of values

[1, 1, 1, 1, 1, 1, 4, 10, 13, 7, 3, 1, 1, 14, 92, 221, 249, 172, 81, 25, 6, 1, 1, 50, 872, 4277, 8806, 9840, 6945, 3377, 1206, 325, 65, 10, 1, 1, 186, 8496, 85941, 320320, 585960, 627838, 442321, 221475, 82985, 24038, 5496, 995, 140, 15, 1]