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A305059 as a simple table

na(n)
31
41
51
63
71
81
96
104
111
121
1315
148
154
161
171
1833
1924
209
215
221
231
2483
2555
2628
2712
285
291
301
31196
32147
3371
3440
3513
366
371
381
39491
40365
41198
42106
4347
4416
456
461
471
481214
49954
50521
51317
52136
5363
5418
557
561
571
583068
592431
601418
61868
62428
63190
6473
6521
667
671
681

[1,1,1,3,1,1,6,4,1,1,15,8,4,1,1,33,24,9,5,1,1,83,
 55,28,12,5,1,1,196,147,71,40,13,6,1,1,491,365,198,
 106,47,16,6,1,1,1214,954,521,317,136,63,18,7,1,1,
 3068,2431,1418,868,428,190,73,21,7,1,1]