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A255574 as a simple table

na(n)
00
10
21
32
42
53
63
74
84
94
104
115
125
136
146
156
166
177
187
198
208
218
228
239
249
2510
2610
2710
2810
2911
3011
3112
3212
3312
3412
3512
3612
3713
3813
3913
4013
4114
4214
4315
4415
4515
4615
4716
4816
4916
5016
5116
5216
5317
5417
5518
5618
5718
5818
5919
6019
6120
6220
6320
6420
6520
6620
6721
6821
6922
7022
7123
7223
7324
7424
7524
7624
7725
7825
7926
8026
8127
8227

[0,0,1,2,2,3,3,4,4,4,4,5,5,6,6,6,6,7,7,8,8,8,8,9,
 9,10,10,10,10,11,11,12,12,12,12,12,12,13,13,13,13,
 14,14,15,15,15,15,16,16,16,16,16,16,17,17,18,18,
 18,18,19,19,20,20,20,20,20,20,21,21,22,22,23,23,
 24,24,24,24,25,25,26,26,27,27]