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.

A380494 a(1) = 1. For n > 1 a(n) is the smallest positive integer not yet in the sequence which is divisible by A007953(a(n-1)) + 1.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 6
7 7
8 8
9 9
10 10
11 12
12 16
13 24
14 14
15 18
16 20
17 15
18 21
19 28
20 11
21 27
22 30
23 32
24 36
25 40
26 25
27 48
28 13
29 35
30 45
31 50
32 42
33 49
34 56
35 60
36 63
37 70
38 64
39 22
40 55
41 33
42 77
43 75
44 26
45 54
46 80
47 72
48 90
49 100
50 34
51 88
52 17
53 81
54 110
55 39
56 52
57 96
58 112
59 65
60 84
61 78
62 128
63 108
64 120
65 44
66 99

List of values

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 24, 14, 18, 20, 15, 21, 28, 11, 27, 30, 32, 36, 40, 25, 48, 13, 35, 45, 50, 42, 49, 56, 60, 63, 70, 64, 22, 55, 33, 77, 75, 26, 54, 80, 72, 90, 100, 34, 88, 17, 81, 110, 39, 52, 96, 112, 65, 84, 78, 128, 108, 120, 44, 99]

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

Content is available under The OEIS End-User License Agreement.