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A101431 as a simple table

na(n)
11
23
39
43
527
628
781
8174
918
10243
11900
12285
13729
144185
152703
16135
172187
1818144
1919908
203024
216561
2274844
23125496
2438640
251134
2619683
27297432
28711018
29369696
3032886
3159049
321148175
333725190
342943090
35528930
3610206
37177147
384330260
3918379548
4020588040
416228585
42363528

[1,3,9,3,27,28,81,174,18,243,900,285,729,4185,
 2703,135,2187,18144,19908,3024,6561,74844,125496,
 38640,1134,19683,297432,711018,369696,32886,59049,
 1148175,3725190,2943090,528930,10206,177147,
 4330260,18379548,20588040,6228585,363528]