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A223538 as a simple table

na(n)
00
11
21
33
42
55
65
75
87
97
109
117
124
133
1425
1511
1611
176
186
1915
2015
2115
2213
2320
248
2522
2620
2728
2820
2920
3025
3125
3228
3328
3417
3517
3630
3725
3817
3915
4010
4117
4219
4322
4468
4532
4632
4722
4822
4912
5012
5124
5224
5386
5486
5536
5634
5740
5828
5916
6014
6121
6227
6390
64104

[0,1,1,3,2,5,5,5,7,7,9,7,4,3,25,11,11,6,6,15,15,
 15,13,20,8,22,20,28,20,20,25,25,28,28,17,17,30,25,
 17,15,10,17,19,22,68,32,32,22,22,12,12,24,24,86,
 86,36,34,40,28,16,14,21,27,90,104]