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.

A339441 Number of compositions (ordered partitions) of n into an even number of distinct triangular numbers.

Table of values

n a(n)
0 1
1 0
2 0
3 0
4 2
5 0
6 0
7 2
8 0
9 2
10 0
11 2
12 0
13 2
14 0
15 0
16 4
17 0
18 2
19 0
20 24
21 2
22 2
23 0
24 2
25 26
26 0
27 2
28 0
29 26
30 0
31 28
32 24
33 0
34 26
35 24
36 2
37 2
38 50
39 2
40 48
41 0
42 26
43 26
44 0
45 48
46 28
47 72
48 2
49 26
50 48
51 4
52 48
53 48
54 24
55 74
56 770
57 2
58 50
59 48
60 50
61 26
62 72
63 720
64 98
65 74
66 26
67 74
68 48
69 770
70 74
71 768
72 26
73 122
74 792
75 72

List of values

[1, 0, 0, 0, 2, 0, 0, 2, 0, 2, 0, 2, 0, 2, 0, 0, 4, 0, 2, 0, 24, 2, 2, 0, 2, 26, 0, 2, 0, 26, 0, 28, 24, 0, 26, 24, 2, 2, 50, 2, 48, 0, 26, 26, 0, 48, 28, 72, 2, 26, 48, 4, 48, 48, 24, 74, 770, 2, 50, 48, 50, 26, 72, 720, 98, 74, 26, 74, 48, 770, 74, 768, 26, 122, 792, 72]

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

Content is available under The OEIS End-User License Agreement.