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A077497 as a simple table

na(n)
12
23
35
411
517
641
7101
8251
9257
10401
11641
121601
134001
1416001
1525601
1640961
1762501
1865537
19160001
20163841
2116384001
2226214401
2340960001
2462500001
25104857601
26167772161
27256000001
28409600001
29655360001
302441406251
312500000001
324194304001
3310485760001

[2,3,5,11,17,41,101,251,257,401,641,1601,4001,
 16001,25601,40961,62501,65537,160001,163841,
 16384001,26214401,40960001,62500001,104857601,
 167772161,256000001,409600001,655360001,
 2441406251,2500000001,4194304001,10485760001]