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.

A084833 a(n) is the smallest number such that a(n) + a(n-1), a(n) + a(n-1) + a(n-2), ..., a(n) + ... + a(1) are nonprime.

Table of values

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

List of values

[1, 3, 5, 1, 15, 9, 15, 6, 3, 6, 21, 6, 3, 6, 15, 6, 3, 6, 3, 9, 3, 9, 15, 6, 3, 6, 3, 9, 9, 9, 3, 9, 9, 9, 3, 6, 3, 3, 3, 3, 3, 6, 15, 6, 3, 3, 3, 6, 9, 6, 3, 6, 9, 9, 3, 6, 3, 6, 15, 6, 3, 6, 3, 9, 3, 9, 3, 9, 9, 6, 3, 6, 9, 6, 3, 3, 3, 6, 3, 9, 3, 6, 3, 3, 3, 6, 3, 6, 3, 6, 9, 6, 3, 3, 3, 6, 9, 6, 3]