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A248843 as a simple table

na(n)
11
23
31
413
51
611
771
8781
91
1029
114733
12137257
131
1415797
151806113
1628531167061
171
1853
19264031
201803647
2113993643
2295593291
23476218721057
2425239592216021
251
2610949
271749233
282699538733
2919152352117
3029557249587617
314722122236541789

[1,3,1,13,1,11,71,781,1,29,4733,137257,1,15797,
 1806113,28531167061,1,53,264031,1803647,13993643,
 95593291,476218721057,25239592216021,1,10949,
 1749233,2699538733,19152352117,29557249587617,
 4722122236541789]