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A331595 as a simple table

na(n)
11
22
34
43
58
63
716
85
93
103
1132
125
1364
143
1518
167
17128
1815
19256
205
2118
223
23512
247
253
263
275
285
291024
3015
312048
3211
3318
343
3518
367
374096
383
3918
407
418192
4215
4316384
445
4550
463
4732768
4811
493
5045
5118
525
5365536
547
55108
567
5718
583
59131072
607
61262144
623
6350
6413
65108
6615
67524288
685
6918
7045
711048576
7211
732097152
743
7515
765
7718
7815
794194304
8011
817
823

[1,2,4,3,8,3,16,5,3,3,32,5,64,3,18,7,128,15,256,5,
 18,3,512,7,3,3,5,5,1024,15,2048,11,18,3,18,7,4096,
 3,18,7,8192,15,16384,5,50,3,32768,11,3,45,18,5,
 65536,7,108,7,18,3,131072,7,262144,3,50,13,108,15,
 524288,5,18,45,1048576,11,2097152,3,15,5,18,15,
 4194304,11,7,3]