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A055931 as a simple table

na(n)
11
22
33
44
55
66
77
88
99
1011
1122
12111
13112
14121
15123
16132
17211
18213
19231
20312
21321
221111
231113
241124
251131
261142
271214
281241
291311
301412
311421
322114
332141
342411
353111
364112
374121
384211
3911111
4011112
4111114
4211121
4311125
4411133
4511141
4611152
4711211
4811215

[1,2,3,4,5,6,7,8,9,11,22,111,112,121,123,132,211,
 213,231,312,321,1111,1113,1124,1131,1142,1214,
 1241,1311,1412,1421,2114,2141,2411,3111,4112,4121,
 4211,11111,11112,11114,11121,11125,11133,11141,
 11152,11211,11215]