cp's OEIS Frontend

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.

A360038 Triangle read by rows. Number T(n, k) of partitions of the multiset [1, 1, 1, 1, 2, 2, 2, 2, ..., n, n, n, n] into k nonempty subsets, for 4 <= k <= 4n.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 1
8 4
9 11
10 19
11 22
12 13
13 7
14 3
15 1
16 1
17 14
18 117
19 445
20 873
21 1002
22 805
23 483
24 226
25 81
26 25
27 6
28 1
29 1
30 51
31 1387
32 12567
33 47986
34 96620
35 120970
36 104942
37 67901
38 34385
39 14150
40 4817
41 1371
42 325
43 65
44 10
45 1
46 1
47 201
48 18171
49 396571
50 3053216
51 11003801
52 22360580
53 29114463
54 26607981
55 18227245
56 9816458
57 4301588
58 1572206
59 487670
60 129880
61 29828
62 5901
63 995
64 140
65 15
66 1

List of values

[1, 1, 1, 1, 1, 1, 1, 4, 11, 19, 22, 13, 7, 3, 1, 1, 14, 117, 445, 873, 1002, 805, 483, 226, 81, 25, 6, 1, 1, 51, 1387, 12567, 47986, 96620, 120970, 104942, 67901, 34385, 14150, 4817, 1371, 325, 65, 10, 1, 1, 201, 18171, 396571, 3053216, 11003801, 22360580, 29114463, 26607981, 18227245, 9816458, 4301588, 1572206, 487670, 129880, 29828, 5901, 995, 140, 15, 1]