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A180613 as a simple table

na(n)
10
21
32
43
54
65
76
87
98
109
1110
1211
1311
1412
1513
1614
1714
1815
1915
2016
2117
2218
2318
2419
2520
2620
2721
2822
2922
3023
3123
3224
3325
3425
3526
3627
3727
3827
3927
4028
4128
4229
4329
4430
4531
4631
4731
4832
4933
5034
5134
5234
5334
5435
5536
5637
5737
5837
5937
6038
6138
6238
6339
6440
6540
6641
6741
6841
6941
7042
7142
7243
7343
7443
7544

[0,1,2,3,4,5,6,7,8,9,10,11,11,12,13,14,14,15,15,
 16,17,18,18,19,20,20,21,22,22,23,23,24,25,25,26,
 27,27,27,27,28,28,29,29,30,31,31,31,32,33,34,34,
 34,34,35,36,37,37,37,37,38,38,38,39,40,40,41,41,
 41,41,42,42,43,43,43,44]