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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.

A382343 Triangle read by rows: T(n, k) is the number of partitions of n into k parts where 0 <= k <= n, and each part is one of 3 kinds.

Table of values

n a(n)
0 1
1 0
2 3
3 0
4 3
5 6
6 0
7 3
8 9
9 10
10 0
11 3
12 15
13 18
14 15
15 0
16 3
17 18
18 36
19 30
20 21
21 0
22 3
23 24
24 55
25 66
26 45
27 28
28 0
29 3
30 27
31 81
32 114
33 105
34 63
35 36
36 0
37 3
38 33
39 108
40 189
41 195
42 153
43 84
44 45
45 0
46 3
47 36
48 145
49 276
50 348
51 298
52 210
53 108
54 55
55 0
56 3
57 42
58 180
59 405
60 552
61 558
62 423
63 276
64 135
65 66

List of values

[1, 0, 3, 0, 3, 6, 0, 3, 9, 10, 0, 3, 15, 18, 15, 0, 3, 18, 36, 30, 21, 0, 3, 24, 55, 66, 45, 28, 0, 3, 27, 81, 114, 105, 63, 36, 0, 3, 33, 108, 189, 195, 153, 84, 45, 0, 3, 36, 145, 276, 348, 298, 210, 108, 55, 0, 3, 42, 180, 405, 552, 558, 423, 276, 135, 66]

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

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