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A278938 as a simple table

na(n)
10
21
32
420
521
63
723
84
95
1024
116
127
138
1425
159
1610
1712
1811
1913
2014
2126
2215
2316
2417
2527
2618
2719
2830
2932
3031
3133
3234
3335
3442
3536
3637
3738
3839
3940
4028
4141
4243
4344
4445
4546
4629
4747
4848
4949
5050
5151
5252
5353
5454
5555
5656
5757
5858
5962
6059
6160
6261
6363
6464
6565
6666
67200
6867
6968
7069
7170
7271
7373
7472
7574
7675
7776
7877
7978
8079
8180
8281
83201
8483
8584
8685
8786
8887
8988
9089
9182
9290
9391
9493
9594
9695
9796
9897
9998
10099
101203
102100
103101
104103
105104
106105
107102
108106
109107
110108
111109

[0,1,2,20,21,3,23,4,5,24,6,7,8,25,9,10,12,11,13,
 14,26,15,16,17,27,18,19,30,32,31,33,34,35,42,36,
 37,38,39,40,28,41,43,44,45,46,29,47,48,49,50,51,
 52,53,54,55,56,57,58,62,59,60,61,63,64,65,66,200,
 67,68,69,70,71,73,72,74,75,76,77,78,79,80,81,201,
 83,84,85,86,87,88,89,82,90,91,93,94,95,96,97,98,
 99,203,100,101,103,104,105,102,106,107,108,109]