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A168291 as a simple table

na(n)
01
11
21
31
46
51
61
715
815
91
101
1132
1282
1332
141
151
1665
17330
18330
1965
201
211
22130
231159
242304
251159
26130
271
281
29259
303801
3113195
3213195
333801
34259
351
361
37516
3812016
3967316
40117170
4167316
4212016
43516
441
451
461029
4737212
48319332
49889230
50889230
51319332
5237212

[1,1,1,1,6,1,1,15,15,1,1,32,82,32,1,1,65,330,330,
 65,1,1,130,1159,2304,1159,130,1,1,259,3801,13195,
 13195,3801,259,1,1,516,12016,67316,117170,67316,
 12016,516,1,1,1029,37212,319332,889230,889230,
 319332,37212]