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.

A239278 Smallest k > 1 such that n*(n+1)*...*(n+k-1) / (n+(n+1)+...+(n+k-1)) is an integer.

Table of values

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

List of values

[2, 3, 5, 3, 3, 5, 3, 3, 7, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 9, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 5, 3, 3, 7, 3]