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A319627 as a simple table

na(n)
11
21
32
41
53
61
75
81
94
103
117
121
1311
145
152
161
1713
182
1917
203
2110
227
2319
241
259
2611
278
285
2923
301
3129
321
3314
3413
353
361
3731
3817
3922
403
4137
425
4341
447
454
4619
4743
481
4925
509
5126
5211
5347
544
5521
565
5734
5823
5953
601
6159
6229
6320
641
6533
667
6761
6813
6938
703
7167
721
7371
7431
756

[1,1,2,1,3,1,5,1,4,3,7,1,11,5,2,1,13,2,17,3,10,7,
 19,1,9,11,8,5,23,1,29,1,14,13,3,1,31,17,22,3,37,5,
 41,7,4,19,43,1,25,9,26,11,47,4,21,5,34,23,53,1,59,
 29,20,1,33,7,61,13,38,3,67,1,71,31,6]