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A232309 as a simple table

na(n)
11
23
33
47
537
67
715
8257
9257
1015
1133
121915
135149
141915
1533
1673
1714223
18107047
19107047
2014223
2173
22161
23105411
242245709
256363511
262245709
27105411
28161
29355
30781873
3146996227
32382995685
33382995685
3446996227
35781873
36355
37783
385798587
39983668985

[1,3,3,7,37,7,15,257,257,15,33,1915,5149,1915,33,
 73,14223,107047,107047,14223,73,161,105411,
 2245709,6363511,2245709,105411,161,355,781873,
 46996227,382995685,382995685,46996227,781873,355,
 783,5798587,983668985]