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.

A357187 First differences A357186 = "Take the k-th composition in standard order for each part k of the n-th composition in standard order, then add up everything.".

Table of values

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

List of values

[1, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, -1, 1, 0, 0, -1, 1, 0, 0, 0, 1, 0, 0, -1, 0, 1, 0, -1, 1, 0, 0, -2, 1, 1, 0, -1, 1, 0, 0, 0, 0, 1, 0, -1, 1, 0, 0, -2, 1, 0, 0, 0, 1, 0, 0, -1, 0, 1, 0, -1, 1, 0, 0, -3, 1, 1, 0, 0, 1, 0, 0, -1, 0, 1, 0, -1, 1, 0, 0, -1, 1, 0]