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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.

A339885 Triangle read by rows: T(n, m) gives the sum of the weights of weighted partitions of n with m parts from generalized pentagonal numbers {A001318(k)}_{k>=1}.

Table of values

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

List of values

[1, 1, 1, 0, 1, 1, 0, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 0, -1, -1, 0, 1, 1, 1, 1, 0, -1, -2, -1, 0, 1, 1, 1, 1, 0, 1, -1, -2, 0, 0, 1, 1, 1, 1, 0, 0, 0, -2, -2, 0, 0, 1, 1, 1, 1]