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.

A219115 Numbers whose squares have at least one 1 and one 2 in ternary representation.

Table of values

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

List of values

[4, 5, 7, 8, 10, 12, 13, 14, 15, 17, 20, 21, 22, 23, 24, 25, 26, 28, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 50, 51, 52, 53, 56, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 82, 84]

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

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