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A289631 as a simple table

na(n)
14
27
38
49
513
616
719
827
931
1032
1137
1243
1349
1461
1564
1667
1773
1879
1981
20109
21121
22128
23139
24169
25223
26243
27256
28343
29361
30512
31529
32729
33961
341024
351331
361369
371849
382048
392187
402197
412209
422401
433481
443721
454096
464489
475041
485329
496241
506561
516859
526889
538192

[4,7,8,9,13,16,19,27,31,32,37,43,49,61,64,67,73,
 79,81,109,121,128,139,169,223,243,256,343,361,512,
 529,729,961,1024,1331,1369,1849,2048,2187,2197,
 2209,2401,3481,3721,4096,4489,5041,5329,6241,6561,
 6859,6889,8192]