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A088372 as a simple table

na(n)
00
12
21
34
41
53
62
78
81
95
104
117
122
136
143
1516
161
179
188
1913
204
2112
225
2315
242
2510
267
2714
283
2911
306
3132
321
3317
3416
3525
368
3724
389
3929
404
4120
4213
4328
445
4521
4612
4731
482
4918
5015
5126
527
5323
5410
5530
563
5719
5814
5927
606
6122
6211
6364
641
6533
6632
6749
6816
6948
7017
7157
728
7340
7425
7556
769
7741
7824
7961
804
8136

[0,2,1,4,1,3,2,8,1,5,4,7,2,6,3,16,1,9,8,13,4,12,5,
 15,2,10,7,14,3,11,6,32,1,17,16,25,8,24,9,29,4,20,
 13,28,5,21,12,31,2,18,15,26,7,23,10,30,3,19,14,27,
 6,22,11,64,1,33,32,49,16,48,17,57,8,40,25,56,9,41,
 24,61,4,36]