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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.

A005352 Base -2 representation of -n reinterpreted as binary.

Table of values

n a(n)
1 3
2 2
3 13
4 12
5 15
6 14
7 9
8 8
9 11
10 10
11 53
12 52
13 55
14 54
15 49
16 48
17 51
18 50
19 61
20 60
21 63
22 62
23 57
24 56
25 59
26 58
27 37
28 36
29 39
30 38
31 33
32 32
33 35
34 34
35 45
36 44
37 47
38 46
39 41
40 40
41 43
42 42
43 213
44 212
45 215
46 214
47 209
48 208
49 211
50 210
51 221
52 220
53 223
54 222
55 217
56 216
57 219
58 218
59 197
60 196
61 199
62 198
63 193
64 192
65 195
66 194
67 205
68 204
69 207
70 206
71 201
72 200

List of values

[3, 2, 13, 12, 15, 14, 9, 8, 11, 10, 53, 52, 55, 54, 49, 48, 51, 50, 61, 60, 63, 62, 57, 56, 59, 58, 37, 36, 39, 38, 33, 32, 35, 34, 45, 44, 47, 46, 41, 40, 43, 42, 213, 212, 215, 214, 209, 208, 211, 210, 221, 220, 223, 222, 217, 216, 219, 218, 197, 196, 199, 198, 193, 192, 195, 194, 205, 204, 207, 206, 201, 200]

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

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