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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.

A300856 Inverse of the base-7 based twisted permutation A300857 of the nonnegative integers.

Table of values

n a(n)
0 0
1 1
2 2
3 3
4 4
5 5
6 6
7 37
8 36
9 35
10 34
11 33
12 32
13 7
14 38
15 19
16 20
17 21
18 22
19 31
20 8
21 39
22 18
23 25
24 24
25 23
26 30
27 9
28 40
29 17
30 26
31 27
32 28
33 29
34 10
35 41
36 16
37 15
38 14
39 13
40 12
41 11
42 42
43 43
44 44
45 45
46 46
47 47
48 48
49 289
50 288
51 287
52 286
53 285
54 284
55 259
56 108
57 109
58 110
59 111
60 112
61 113
62 258
63 107
64 126
65 125

List of values

[0, 1, 2, 3, 4, 5, 6, 37, 36, 35, 34, 33, 32, 7, 38, 19, 20, 21, 22, 31, 8, 39, 18, 25, 24, 23, 30, 9, 40, 17, 26, 27, 28, 29, 10, 41, 16, 15, 14, 13, 12, 11, 42, 43, 44, 45, 46, 47, 48, 289, 288, 287, 286, 285, 284, 259, 108, 109, 110, 111, 112, 113, 258, 107, 126, 125]

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

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