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A131606 as a simple table

na(n)
01
11
21
31
41
51
68
74
82
91
1081
1127
129
133
141
153125
16625
17125
1825
195
201
21262144
2232768
234096
24512
2564
268
271
2862748517
294826809
30371293
3128561
322197
33169
3413
351
3637822859361
371801088541
3885766121
394084101
40194481
419261
42441
4321
441
4560716992766464

[1,1,1,1,1,1,8,4,2,1,81,27,9,3,1,3125,625,125,25,
 5,1,262144,32768,4096,512,64,8,1,62748517,4826809,
 371293,28561,2197,169,13,1,37822859361,1801088541,
 85766121,4084101,194481,9261,441,21,1,
 60716992766464]