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A071950 as a simple table

na(n)
01
11
21
32
42
55
61
75
812
93
1014
1131
121
139
1438
1583
164
1728
18106
19227
201
2114
2284
23301
24634
255
2648
27252
28864
291799
301
3120
32157
33758
342508
355171
366
3775
38504
392283
407348
4115027
421
4327
44265
451602
466897
4721699
4844074
497
50110
51906
525056
5320903
5464526
55130299
561
5735
58417
593035
6015894
6163552
62193055
63387880

[1,1,1,2,2,5,1,5,12,3,14,31,1,9,38,83,4,28,106,
 227,1,14,84,301,634,5,48,252,864,1799,1,20,157,
 758,2508,5171,6,75,504,2283,7348,15027,1,27,265,
 1602,6897,21699,44074,7,110,906,5056,20903,64526,
 130299,1,35,417,3035,15894,63552,193055,387880]