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.

A117939 Triangle related to powers of 3 partitions of n.

Table of values

n a(n)
0 1
1 2
2 1
3 1
4 -2
5 1
6 2
7 0
8 0
9 1
10 4
11 2
12 0
13 2
14 1
15 2
16 -4
17 2
18 1
19 -2
20 1
21 1
22 0
23 0
24 -2
25 0
26 0
27 1
28 2
29 1
30 0
31 -4
32 -2
33 0
34 2
35 1
36 1
37 -2
38 1
39 -2
40 4
41 -2
42 1
43 -2
44 1
45 2
46 0
47 0
48 0
49 0
50 0
51 0
52 0
53 0
54 1
55 4
56 2
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 2
65 1
66 2
67 -4
68 2
69 0
70 0
71 0
72 0
73 0
74 0
75 1
76 -2
77 1
78 4
79 0
80 0
81 2
82 0
83 0
84 0
85 0
86 0
87 2
88 0
89 0
90 1
91 8
92 4
93 0
94 4
95 2
96 0
97 0
98 0
99 0
100 4
101 2
102 0
103 2
104 1

List of values

[1, 2, 1, 1, -2, 1, 2, 0, 0, 1, 4, 2, 0, 2, 1, 2, -4, 2, 1, -2, 1, 1, 0, 0, -2, 0, 0, 1, 2, 1, 0, -4, -2, 0, 2, 1, 1, -2, 1, -2, 4, -2, 1, -2, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 4, 2, 0, 0, 0, 0, 0, 0, 0, 2, 1, 2, -4, 2, 0, 0, 0, 0, 0, 0, 1, -2, 1, 4, 0, 0, 2, 0, 0, 0, 0, 0, 2, 0, 0, 1, 8, 4, 0, 4, 2, 0, 0, 0, 0, 4, 2, 0, 2, 1]