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A176667 as a simple table

na(n)
01
12
21
34
45
51
68
718
89
91
1016
1154
1251
1314
141
1532
16140
17220
18115
1920
201
2164
22328
23750
24685
25225
2627
271
28128
29784
302044
313080
321785
33399
3435
351
36256
372096
385068
3910220
4010465
414088
42658
4344
441
45512
464704
4716776
4825284
4943806
5030681
518484
521026
5354
541
551024

[1,2,1,4,5,1,8,18,9,1,16,54,51,14,1,32,140,220,
 115,20,1,64,328,750,685,225,27,1,128,784,2044,
 3080,1785,399,35,1,256,2096,5068,10220,10465,4088,
 658,44,1,512,4704,16776,25284,43806,30681,8484,
 1026,54,1,1024]