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A351262 as a simple table

na(n)
10
21
31
41024
51
660073
71
81048576
959049
109766649
111
1261514752
131
14282476273
159824674
161073741824
171
183547250577
191
2010001048576
21282534298
2225937425625
231
2462991106048
259765625
26137858492873
273486784401
28289255703552
291
30586710856801
311
321099511627776
3325937483650

[0,1,1,1024,1,60073,1,1048576,59049,9766649,1,
 61514752,1,282476273,9824674,1073741824,1,
 3547250577,1,10001048576,282534298,25937425625,1,
 62991106048,9765625,137858492873,3486784401,
 289255703552,1,586710856801,1,1099511627776,
 25937483650]