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.

A147843 a(n) = -n*A010815(n).

Table of values

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

List of values

[0, 1, 2, 0, 0, -5, 0, -7, 0, 0, 0, 0, 12, 0, 0, 15, 0, 0, 0, 0, 0, 0, -22, 0, 0, 0, -26, 0, 0, 0, 0, 0, 0, 0, 0, 35, 0, 0, 0, 0, 40, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -51, 0, 0, 0, 0, 0, -57, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 70, 0, 0, 0, 0, 0, 0, 77, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, -92, 0, 0, 0, 0, 0, 0, 0, -100, 0, 0, 0]