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A166042 as a simple table

na(n)
00
11
24
35
46
547
646
77
88
945
1044
119
1214
133
142
1515
1616
1713
1812
1917
2018
2119
2222
2323
2424
2525
2628
2729
2842
2911
3010
3143
3240
3337
3436
3541
3630
3731
3834
3935
4072
4173
4276
4377
4466
4571
4670
4767
4868
4957
5056
5169
5238
5339
5450
5551
5652
5749
5848
5953
6054
6155
6258
6359
6460
65425
66424
6761
6862
6963
70422

[0,1,4,5,6,47,46,7,8,45,44,9,14,3,2,15,16,13,12,
 17,18,19,22,23,24,25,28,29,42,11,10,43,40,37,36,
 41,30,31,34,35,72,73,76,77,66,71,70,67,68,57,56,
 69,38,39,50,51,52,49,48,53,54,55,58,59,60,425,424,
 61,62,63,422]