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A309256 as a simple table

na(n)
00
11
21
31
42
52
62
73
85
95
104
114
126
137
147
159
1612
1712
1810
199
2011
2111
2210
2312
2416
2517
2615
2715
2818
2920
3020
3123
3227
3327
3424
3522
3624
3723
3821
3923
4028
4128
4224
4323
4427
4529
4628
4732
4838
4939
5035
5133
5236
5336
5434
5537
5643
5745
5842
5942
6046
6149
6249
6353
6458
6558
6654
6751
6853
6951
7048
7150
7256
7355
7449
7547
7652

[0,1,1,1,2,2,2,3,5,5,4,4,6,7,7,9,12,12,10,9,11,11,
 10,12,16,17,15,15,18,20,20,23,27,27,24,22,24,23,
 21,23,28,28,24,23,27,29,28,32,38,39,35,33,36,36,
 34,37,43,45,42,42,46,49,49,53,58,58,54,51,53,51,
 48,50,56,55,49,47,52]