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A338233 as a simple table

na(n)
10
20
31
41
53
64
75
85
96
108
119
129
1311
1412
1513
1612
1715
1815
1917
2017
2119
2220
2321
2421
2522
2624
2724
2825
2927
3028
3129
3228
3331
3432
3533
3631
3735
3836
3937
4037
4139
4240
4341
4441
4542
4644
4745
4844
4946
5047
5149
5249
5351
5451
5553
5653
5755
5856
5957
6057
6159
6260
6360
6459
6563
6664
6765
6865
6967
7068
7169
7267

[0,0,1,1,3,4,5,5,6,8,9,9,11,12,13,12,15,15,17,17,
 19,20,21,21,22,24,24,25,27,28,29,28,31,32,33,31,
 35,36,37,37,39,40,41,41,42,44,45,44,46,47,49,49,
 51,51,53,53,55,56,57,57,59,60,60,59,63,64,65,65,
 67,68,69,67]