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A014945 as a simple table

na(n)
11
23
39
421
527
663
781
8147
9171
10189
11243
12441
13513
14567
15657
16729
17903
181029
191197
201323
211539
221701
231971
242187
252667
262709
273087
283249
293591
303969
314599
324617
335103
345913
356321
366561
377077
387203
398001
408127
418379
429261
439747
4410773
4511907
4612483

[1,3,9,21,27,63,81,147,171,189,243,441,513,567,
 657,729,903,1029,1197,1323,1539,1701,1971,2187,
 2667,2709,3087,3249,3591,3969,4599,4617,5103,5913,
 6321,6561,7077,7203,8001,8127,8379,9261,9747,
 10773,11907,12483]