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A128966 as a simple table

na(n)
00
11
21
31
42
51
61
74
84
91
101
116
1210
136
141
151
168
1720
1820
198
201
211
2210
2334
2450
2534
2610
271
281
2912
3052
31104
32104
3352
3412
351
361
3714
3874
39190
40258
41190
4274
4314
441
451
4616
47100
48316
49552
50552
51316
52100
5316
541
551
5618
57130
58490
591058
601362
611058
62490
63130
6418
651
661
6720
68164

[0,1,1,1,2,1,1,4,4,1,1,6,10,6,1,1,8,20,20,8,1,1,
 10,34,50,34,10,1,1,12,52,104,104,52,12,1,1,14,74,
 190,258,190,74,14,1,1,16,100,316,552,552,316,100,
 16,1,1,18,130,490,1058,1362,1058,490,130,18,1,1,
 20,164]