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A075462 as a simple table

na(n)
11
21
31
416
54
61
71
81
9256
101
1164
121
131
1416
151
16256
174
181
1965536
201
211
221
2316384
2416
251
261
271
281
291024
301048576
311
321048576
3365536
3416
3564
361
371
381
394294967296
401
414
421
431
4416
451
461
471073741824
481
49256
50256
511
521
534
5416
551
561
571
581
594194304
601
611099511627776
6216777216

[1,1,1,16,4,1,1,1,256,1,64,1,1,16,1,256,4,1,65536,
 1,1,1,16384,16,1,1,1,1,1024,1048576,1,1048576,
 65536,16,64,1,1,1,4294967296,1,4,1,1,16,1,1,
 1073741824,1,256,256,1,1,4,16,1,1,1,1,4194304,1,
 1099511627776,16777216]