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A227073 as a simple table

n a(n)
1 1
2 12
3 21
4 22
5 123
6 132
7 213
8 231
9 312
10 321
11 333
12 1224
13 1234
14 1242
15 1243
16 1324
17 1342
18 1422
19 1423
20 1432
21 2124
22 2134
23 2142
24 2143
25 2214
26 2241
27 2244
28 2314
29 2341
30 2412
31 2413
32 2421
33 2424
34 2431
35 2442
36 3124
37 3142
38 3214
39 3241
40 3412
41 3421
42 4122
43 4123
44 4132
45 4212
46 4213

[1,12,21,22,123,132,213,231,312,321,333,1224,1234,
 1242,1243,1324,1342,1422,1423,1432,2124,2134,2142,
 2143,2214,2241,2244,2314,2341,2412,2413,2421,2424,
 2431,2442,3124,3142,3214,3241,3412,3421,4122,4123,
 4132,4212,4213]

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Last modified April 25 09:23 EDT 2024. Contains 371967 sequences. (Running on oeis4.)