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A334940 as a simple table

na(n)
10
20
30
41
51
63
73
83
94
106
116
126
136
148
1510
1610
1710
1810
1910
2010
2112
2214
2314
2414
2515
2617
2717
2817
2917
3017
3117
3217
3319
3421
3523
3623
3723
3825
3927
4027
4127
4227
4327
4427
4527
4629
4729
4829
4930
5030
5132
5232
5332
5432
5534
5634
5736
5838
5938
6038
6138
6240
6340
6440
6542
6642
6742
6842
6944
7044
7144
7244
7344
7446

[0,0,0,1,1,3,3,3,4,6,6,6,6,8,10,10,10,10,10,10,12,
 14,14,14,15,17,17,17,17,17,17,17,19,21,23,23,23,
 25,27,27,27,27,27,27,27,29,29,29,30,30,32,32,32,
 32,34,34,36,38,38,38,38,40,40,40,42,42,42,42,44,
 44,44,44,44,46]