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A278939 as a simple table

na(n)
10
21
32
43
54
640
741
85
942
106
117
1243
138
149
1514
1610
1711
1824
1912
2013
2115
2245
2316
2417
2518
2646
2719
2820
2921
3034
3122
3223
3325
3426
3554
3627
3728
3829
3930
4031
4147
4232
4333
4435
4536
4637
4748
4838
4939
5050
5151
5252
5364
5453
5555
5656
5757
5858
5959
6074
6160
6261
6362
6463
6565
6666
6767
6849
6968
7069
7170
7271
7372
7473
7575
76400
7776
7877
7978
8079
8180
8281
8382
84401
8583
8685
8786
8887
8988
9089
9190
9284
9391
9492
9593
9695
9796
9897
9998
10099
101104
102100
103101
104102
105103
106105
107106
10894
109107
110108
111109

[0,1,2,3,4,40,41,5,42,6,7,43,8,9,14,10,11,24,12,
 13,15,45,16,17,18,46,19,20,21,34,22,23,25,26,54,
 27,28,29,30,31,47,32,33,35,36,37,48,38,39,50,51,
 52,64,53,55,56,57,58,59,74,60,61,62,63,65,66,67,
 49,68,69,70,71,72,73,75,400,76,77,78,79,80,81,82,
 401,83,85,86,87,88,89,90,84,91,92,93,95,96,97,98,
 99,104,100,101,102,103,105,106,94,107,108,109]