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.

A326962 Number T(n,k) of colored integer partitions of n using all colors of a k-set such that all parts have different color patterns and a pattern for part i has i distinct colors in increasing order; triangle T(n,k), k>=0, k<=n<=k*2^(k-1), read by columns.

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 1
5 5
6 12
7 18
8 20
9 18
10 15
11 11
12 6
13 3
14 1
15 15
16 64
17 166
18 332
19 566
20 864
21 1214
22 1596
23 1975
24 2320
25 2600
26 2780
27 2842
28 2780
29 2600
30 2320
31 1979
32 1608
33 1238
34 908
35 626
36 404
37 246
38 136
39 69
40 32
41 12
42 4
43 1
44 52
45 340
46 1315
47 3895
48 9770
49 21848
50 44880
51 86275
52 157140

List of values

[1, 1, 2, 2, 1, 5, 12, 18, 20, 18, 15, 11, 6, 3, 1, 15, 64, 166, 332, 566, 864, 1214, 1596, 1975, 2320, 2600, 2780, 2842, 2780, 2600, 2320, 1979, 1608, 1238, 908, 626, 404, 246, 136, 69, 32, 12, 4, 1, 52, 340, 1315, 3895, 9770, 21848, 44880, 86275, 157140]