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A243349 as a simple table

na(n)
11
21
31
42
54
63
77
86
97
1010
1112
1210
1311
1417
1517
1614
1720
1819
1927
2020
2128
2227
2331
2425
2530
2633
2728
2838
2929
3037
3132
3244
3337
3450
3549
3648
3742
3843
3951
4059
4161
4248
4360
4466
4551
4652
4762
4872
4972
5057
5169
5260
5378
5472
5577
5665
5785
5882
5979
6087
6172
6275
6395
6476
65101
6690
6779
6880
69105

[1,1,1,2,4,3,7,6,7,10,12,10,11,17,17,14,20,19,27,
 20,28,27,31,25,30,33,28,38,29,37,32,44,37,50,49,
 48,42,43,51,59,61,48,60,66,51,52,62,72,72,57,69,
 60,78,72,77,65,85,82,79,87,72,75,95,76,101,90,79,
 80,105]