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A143701 as a simple table

na(n)
11
23
37
415
527
663
7125
8243
9343
10999
111805
123721
138181
1416335
1532761
1665533
17112847
18190269
19519375
201046875
211953125
224192479
238385125
2416775019
2524398405
2666976875
27134216625

[1,3,7,15,27,63,125,243,343,999,1805,3721,8181,
 16335,32761,65533,112847,190269,519375,1046875,
 1953125,4192479,8385125,16775019,24398405,
 66976875,134216625]