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A193907 as a simple table

na(n)
01
12
21
38
45
52
623
714
88
93
1063
1139
1223
1313
145
15167
16103
1763
1837
1921
208
21440
22272
23167
24102
2560
2634
2713
281154
29713
30440
31270
32165
3397
3455
3521
363024
371869
381154
39712
40437
41267
42157
4389
4434
457919
464894
473024
481867
491152
50707
51432
52254
53144
5455
5520735
5612815

[1,2,1,8,5,2,23,14,8,3,63,39,23,13,5,167,103,63,
 37,21,8,440,272,167,102,60,34,13,1154,713,440,270,
 165,97,55,21,3024,1869,1154,712,437,267,157,89,34,
 7919,4894,3024,1867,1152,707,432,254,144,55,20735,
 12815]