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A350494 as a simple table

na(n)
11
21
31
41
51
61
71
81
91
1010
1111
1212
1313
1414
1515
1616
1717
1818
1919
2010
2121
2211
2323
2412
2525
2613
2727
2814
2929
3010
3131
3232
3311
3434
3535
3612
3737
3838
3913
4010
4141
4221
4343
4411
4545
4623
4747
4812
4949
5010
5151
5252
5353
5454
5511
5656
5757
5858
5959
6010
6161
6231
6321
6432
6565
6611
6767

[1,1,1,1,1,1,1,1,1,10,11,12,13,14,15,16,17,18,19,
 10,21,11,23,12,25,13,27,14,29,10,31,32,11,34,35,
 12,37,38,13,10,41,21,43,11,45,23,47,12,49,10,51,
 52,53,54,11,56,57,58,59,10,61,31,21,32,65,11,67]