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.

A308230 Irregular triangle: row n shows the alternating sums of partitions of n when the parts are arranged in nonincreasing order and the partitions are arranged lexicographically from [n] to [1,1,1,...,1].

Table of values

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

List of values

[1, 2, 0, 3, 1, 1, 4, 2, 0, 2, 0, 5, 3, 1, 3, 1, 1, 1, 6, 4, 2, 4, 0, 2, 2, 2, 0, 2, 0, 7, 5, 3, 5, 1, 3, 3, 1, 3, 1, 3, 1, 1, 1, 1, 8, 6, 4, 6, 2, 4, 4, 0, 2, 4, 2, 4, 2, 0, 2, 2, 2, 0, 2, 0, 2, 0, 9, 7, 5, 7, 3, 5, 5, 1, 3, 5, 3, 5, 1, 3, 1, 3, 3, 3, 3, 1]