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.

A364891 Triangle read by rows: T(n,k) = (-1)^(k-1)*Sum_{j=0..k-1} (-1)^j*(p(n - j*(2*j + 1)) - p(n - (j + 1)*(2*j + 1))), where p(n) = A000041(n) is the number of partitions of n, and 1 <= k <= n.

Table of values

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

List of values

[0, 1, -1, 1, 0, 0, 2, -1, 1, -1, 2, 0, 0, 0, 0, 4, -2, 2, -2, 2, -2, 4, 0, 0, 0, 0, 0, 0, 7, -2, 2, -2, 2, -2, 2, -2, 8, 0, 0, 0, 0, 0, 0, 0, 0, 12, -2, 3, -3, 3, -3, 3, -3, 3, -3, 14, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 21, -2, 4, -4, 4, -4, 4, -4, 4, -4, 4, -4]