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.

A127638 A054525 * A127640, where A127640 = infinite lower triangular matrix with the sequence of primes in the main diagonal and the rest zeros.

Table of values

n a(n)
1 2
2 -2
3 3
4 -2
5 0
6 5
7 0
8 -3
9 0
10 7
11 -2
12 0
13 0
14 0
15 11
16 2
17 -3
18 -5
19 0
20 0
21 13
22 -2
23 0
24 0
25 0
26 0
27 0
28 17
29 0
30 0
31 0
32 -7
33 0
34 0
35 0
36 19
37 0
38 0
39 -5
40 0
41 0
42 0
43 0
44 0
45 23
46 2
47 -3
48 0
49 0
50 -11
51 0
52 0
53 0
54 0
55 29
56 -2
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 31
67 0
68 3
69 0
70 -7
71 0
72 -13
73 0
74 0
75 0
76 0
77 0
78 37
79 -2
80 0
81 0
82 0
83 0
84 0
85 0
86 0
87 0
88 0
89 0
90 0
91 41
92 2
93 -3
94 0
95 0
96 0
97 0
98 -17
99 0
100 0
101 0
102 0
103 0
104 0
105 43
106 2
107 0
108 -5
109 0
110 -11
111 0
112 0

List of values

[2, -2, 3, -2, 0, 5, 0, -3, 0, 7, -2, 0, 0, 0, 11, 2, -3, -5, 0, 0, 13, -2, 0, 0, 0, 0, 0, 17, 0, 0, 0, -7, 0, 0, 0, 19, 0, 0, -5, 0, 0, 0, 0, 0, 23, 2, -3, 0, 0, -11, 0, 0, 0, 0, 29, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 0, 3, 0, -7, 0, -13, 0, 0, 0, 0, 0, 37, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 41, 2, -3, 0, 0, 0, 0, -17, 0, 0, 0, 0, 0, 0, 43, 2, 0, -5, 0, -11, 0, 0]