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A047545 as a simple table

na(n)
10
21
33
44
57
68
79
811
912
1015
1116
1217
1319
1420
1523
1624
1725
1827
1928
2031
2132
2233
2335
2436
2539
2640
2741
2843
2944
3047
3148
3249
3351
3452
3555
3656
3757
3859
3960
4063
4164
4265
4367
4468
4571
4672
4773
4875
4976
5079
5180
5281
5383
5484
5587
5688
5789
5891
5992
6095
6196
6297
6399
64100
65103
66104

[0,1,3,4,7,8,9,11,12,15,16,17,19,20,23,24,25,27,
 28,31,32,33,35,36,39,40,41,43,44,47,48,49,51,52,
 55,56,57,59,60,63,64,65,67,68,71,72,73,75,76,79,
 80,81,83,84,87,88,89,91,92,95,96,97,99,100,103,
 104]