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A164866 as a simple table

na(n)
11
21
3101
41
5102
610201
71
8103
910303
101030301
111
12104
1310406
141040604
15104060401
161
17105
1810510
191051010
20105101005
2110510100501
221
23106
2410615
251061520
26106152015
2710615201506
281061520150601

[1,1,101,1,102,10201,1,103,10303,1030301,1,104,
 10406,1040604,104060401,1,105,10510,1051010,
 105101005,10510100501,1,106,10615,1061520,
 106152015,10615201506,1061520150601]