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.

A105836 For n>2, a(n) not appeared previously is such that a(n-1)^2+4*a(n-2)*a(n) is a minimal square, a(1)=2, a(2)=3.

Table of values

n a(n)
1 2
2 3
3 5
4 8
5 4
6 12
7 7
8 10
9 17
10 6
11 11
12 21
13 32
14 13
15 19
16 14
17 33
18 20
19 28
20 24
21 27
22 42
23 40
24 18
25 1
26 39
27 82
28 72
29 154
30 43
31 35
32 78
33 56
34 22
35 9
36 31
37 70
38 69
39 52
40 25
41 48
42 73
43 46
44 119
45 57
46 26
47 15
48 36
49 51
50 50
51 101
52 60
53 41
54 54
55 95
56 61
57 16
58 45
59 76
60 121
61 62
62 59
63 130
64 141
65 81
66 222
67 63
68 87
69 30
70 117

List of values

[2, 3, 5, 8, 4, 12, 7, 10, 17, 6, 11, 21, 32, 13, 19, 14, 33, 20, 28, 24, 27, 42, 40, 18, 1, 39, 82, 72, 154, 43, 35, 78, 56, 22, 9, 31, 70, 69, 52, 25, 48, 73, 46, 119, 57, 26, 15, 36, 51, 50, 101, 60, 41, 54, 95, 61, 16, 45, 76, 121, 62, 59, 130, 141, 81, 222, 63, 87, 30, 117]