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A121300 as a simple table

na(n)
11
21
31
41
53
61
71
87
94
101
111
1215
1312
145
151
161
1731
1835
1915
206
211
221
2363
2495
2548
2618
277
281
291
30127
31249
32145
3358
3421
358
361
371
38255
39640
40418
41181
4268
4324
449
451
461
47511
481615
491180
50545
51213
5278
5327
5410
551
561
571023
584026
593279
601593
61649
62245
6388
6430
6511
661
671
682047
699944
708981
714583
721932
73748
74277
7598
7633
7712
781

[1,1,1,1,3,1,1,7,4,1,1,15,12,5,1,1,31,35,15,6,1,1,
 63,95,48,18,7,1,1,127,249,145,58,21,8,1,1,255,640,
 418,181,68,24,9,1,1,511,1615,1180,545,213,78,27,
 10,1,1,1023,4026,3279,1593,649,245,88,30,11,1,1,
 2047,9944,8981,4583,1932,748,277,98,33,12,1]