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A121487 as a simple table

na(n)
11
21
31
42
51
62
75
82
91
105
1113
125
132
141
1513
1634
1713
185
192
201
2134
2289
2334
2413
255
262
271
2889
29233
3089
3134
3213
335
342
351
36233
37610
38233
3989
4034
4113
425
432
441
45610
461597
47610
48233
4989
5034
5113
525
532
541
551597
564181
571597
58610
59233
6089
6134
6213
635
642
651
664181
6710946
684181
691597
70610
71233
7289
7334
7413
755
762
771
7810946

[1,1,1,2,1,2,5,2,1,5,13,5,2,1,13,34,13,5,2,1,34,
 89,34,13,5,2,1,89,233,89,34,13,5,2,1,233,610,233,
 89,34,13,5,2,1,610,1597,610,233,89,34,13,5,2,1,
 1597,4181,1597,610,233,89,34,13,5,2,1,4181,10946,
 4181,1597,610,233,89,34,13,5,2,1,10946]