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A280999 as a simple table

na(n)
17
28
312
414
515
616
717
819
923
1024
1125
1227
1328
1429
1530
1633
1734
1835
1936
2038
2139
2240
2344
2446
2547
2649
2750
2851
2952
3054
3155
3257
3358
3459
3561
3663
3764
3866
3968
4069
4170
4272
4373
4475
4576
4677
4778
4880
4981
5083
5187
5288
5389
5491
5592
5693
5794
5896
5998
60100
61101
62102
63104
64105
65107

[7,8,12,14,15,16,17,19,23,24,25,27,28,29,30,33,34,
 35,36,38,39,40,44,46,47,49,50,51,52,54,55,57,58,
 59,61,63,64,66,68,69,70,72,73,75,76,77,78,80,81,
 83,87,88,89,91,92,93,94,96,98,100,101,102,104,105,
 107]