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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.

A164798 a(n) = the smallest integer >= n such that a(n)!/(n-1)! is divisible by every prime from 2 to the largest prime divisor of a(n)!/(n-1)!. (a(1)=1.)

Table of values

n a(n)
1 1
2 2
3 4
4 4
5 6
6 6
7 10
8 8
9 10
10 14
11 15
12 12
13 22
14 15
15 16
16 16
17 26
18 18
19 34
20 21
21 38
22 38
23 38
24 24
25 46
26 46
27 46
28 46
29 46
30 30
31 58
32 32
33 62
34 62
35 36
36 36
37 62
38 74
39 74
40 74
41 74
42 82
43 82
44 86
45 86
46 86
47 86
48 48
49 94
50 94
51 94
52 94
53 94
54 54
55 106
56 106
57 106
58 106
59 106
60 60
61 118
62 122
63 66
64 64
65 122
66 122
67 122
68 134

List of values

[1, 2, 4, 4, 6, 6, 10, 8, 10, 14, 15, 12, 22, 15, 16, 16, 26, 18, 34, 21, 38, 38, 38, 24, 46, 46, 46, 46, 46, 30, 58, 32, 62, 62, 36, 36, 62, 74, 74, 74, 74, 82, 82, 86, 86, 86, 86, 48, 94, 94, 94, 94, 94, 54, 106, 106, 106, 106, 106, 60, 118, 122, 66, 64, 122, 122, 122, 134]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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