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A126084 as a simple table

na(n)
00
12
21
34
43
58
65
720
87
916
1013
1118
1255
1330
1453
1526
1647
1720
1841
19106
2045
21100
2243
23120
2433
2564
2637
2766
2841
2968
3053
3174
32201
3364
34203
3594
36201
3784
38247
3980
40253
4178
42251
4368
44133
4564
46135
4784
48139
49104
50141
51100
52139
53122
54129
55384
56135
57394
58133
59400
60137
61402
62183
63388
64179

[0,2,1,4,3,8,5,20,7,16,13,18,55,30,53,26,47,20,41,
 106,45,100,43,120,33,64,37,66,41,68,53,74,201,64,
 203,94,201,84,247,80,253,78,251,68,133,64,135,84,
 139,104,141,100,139,122,129,384,135,394,133,400,
 137,402,183,388,179]