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A131823 as a simple table

na(n)
01
11
21
31
42
52
62
71
81
93
105
117
128
138
148
158
167
175
183
191
201
214
229
2316
2424
2532
2640
2748
2855
2960
3063
3164
3264
3364
3464
3564
3663
3760
3855
3948
4040
4132
4224
4316
449
454
461
471
485
4914
5030
5154
5286
53126
54174
55229
56289
57352
58416
59480
60544
61608
62672
63735
64795
65850
66898
67938
68970
69994
701010
711019

[1,1,1,1,2,2,2,1,1,3,5,7,8,8,8,8,7,5,3,1,1,4,9,16,
 24,32,40,48,55,60,63,64,64,64,64,64,63,60,55,48,
 40,32,24,16,9,4,1,1,5,14,30,54,86,126,174,229,289,
 352,416,480,544,608,672,735,795,850,898,938,970,
 994,1010,1019]