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A238960 as a simple table

na(n)
00
10
21
32
41
53
66
72
85
96
1010
1116
122
136
148
1514
1616
1726
1840
193
208
2111
2212
2318
2423
2527
2636
2742
2864
2996
303
319
3213
3315
3422
3529
3632
3737
3846
3958
4067
4188
42102
43152
44224
454
4611
4716
4819
4920
5026
5136
5241
5348
5452
5556
5674
5780
5893
59108
60112
61140
62162
63208
64240
65352
66512

[0,0,1,2,1,3,6,2,5,6,10,16,2,6,8,14,16,26,40,3,8,
 11,12,18,23,27,36,42,64,96,3,9,13,15,22,29,32,37,
 46,58,67,88,102,152,224,4,11,16,19,20,26,36,41,48,
 52,56,74,80,93,108,112,140,162,208,240,352,512]