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A173007 as a simple table

na(n)
01
13
21
327
412
51
6729
7351
839
91
1059049
1129160
123510
13120
141
1514348907
167144929
17882090
1832670
19363
201
2110460353203
225223002148
23650188539
2424698520
25297297
261092
271
2822876792454961
2911433166050879
301427185336941
3154665851779
32674887059
332685501
343279
351

[1,3,1,27,12,1,729,351,39,1,59049,29160,3510,120,
 1,14348907,7144929,882090,32670,363,1,10460353203,
 5223002148,650188539,24698520,297297,1092,1,
 22876792454961,11433166050879,1427185336941,
 54665851779,674887059,2685501,3279,1]