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A142878 as a simple table

na(n)
00
11
21
32
41
53
61
74
85
91
106
117
121
138
149
1517
161
1718
1819
191
2020
2121
2241
231
2442
2543
261
2744
2845
2989
301
3190
3291
33181
341
35182
36183
37365
38548
39913
401461
412374
423835
436209
4410044
4516253
461
4716254
4816255
4932509
5048764

[0,1,1,2,1,3,1,4,5,1,6,7,1,8,9,17,1,18,19,1,20,21,
 41,1,42,43,1,44,45,89,1,90,91,181,1,182,183,365,
 548,913,1461,2374,3835,6209,10044,16253,1,16254,
 16255,32509,48764]