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A291073 as a simple table

n a(n)
1 -1
2 21
3 1
4 1
5 221
6 221
7 11
8 11
9 11
10 11
11 2221
12 2221
13 2221
14 2221
15 111
16 211
17 111
18 211
19 111
20 211
21 111
22 211
23 12221
24 22221
25 12221
26 22221
27 12221
28 22221
29 12221
30 22221
31 1111
32 1211
33 2111
34 2211
35 1111
36 1211
37 2111
38 2211
39 1111
40 1211
41 2111
42 2211
43 1111
44 1211
45 2111

[-1,21,1,1,221,221,11,11,11,11,2221,2221,2221,
 2221,111,211,111,211,111,211,111,211,12221,22221,
 12221,22221,12221,22221,12221,22221,1111,1211,
 2111,2211,1111,1211,2111,2211,1111,1211,2111,2211,
 1111,1211,2111]

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Last modified April 19 02:45 EDT 2024. Contains 371782 sequences. (Running on oeis4.)