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A165303 as a simple table

na(n)
11
22
33
44
55
612
734
851
923
1045
11123
12451
13234
14512
15345
161234
175123
184512
193451
202345
2112345
22123451
2323451
24234512
2534512
26345123
2745123
28451234
2951234
30512345
311234512
323451234
335123451
342345123
354512345
3612345123
3745123451
3823451234
3951234512

[1,2,3,4,5,12,34,51,23,45,123,451,234,512,345,
 1234,5123,4512,3451,2345,12345,123451,23451,
 234512,34512,345123,45123,451234,51234,512345,
 1234512,3451234,5123451,2345123,4512345,12345123,
 45123451,23451234,51234512]