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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.

A030299 Decimal representation of permutations of lengths 1, 2, 3, ... arranged lexicographically.

Table of values

n a(n)
1 1
2 12
3 21
4 123
5 132
6 213
7 231
8 312
9 321
10 1234
11 1243
12 1324
13 1342
14 1423
15 1432
16 2134
17 2143
18 2314
19 2341
20 2413
21 2431
22 3124
23 3142
24 3214
25 3241
26 3412
27 3421
28 4123
29 4132
30 4213
31 4231
32 4312
33 4321
34 12345
35 12354
36 12435
37 12453
38 12534
39 12543
40 13245
41 13254
42 13425

List of values

[1, 12, 21, 123, 132, 213, 231, 312, 321, 1234, 1243, 1324, 1342, 1423, 1432, 2134, 2143, 2314, 2341, 2413, 2431, 3124, 3142, 3214, 3241, 3412, 3421, 4123, 4132, 4213, 4231, 4312, 4321, 12345, 12354, 12435, 12453, 12534, 12543, 13245, 13254, 13425]

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

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