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A209503 as a simple table

na(n)
11
22
32
45
56
65
715
857
957
1015
1152
12690
131938
14690
1552
16202
179393
1878135
1978135
209393
21202
22855
23133380
243268686
259502354
263268686
27133380
28855
293845
301920126
31137627625
321165032679
331165032679
34137627625
351920126
363845
3718002
3827760512

[1,2,2,5,6,5,15,57,57,15,52,690,1938,690,52,202,
 9393,78135,78135,9393,202,855,133380,3268686,
 9502354,3268686,133380,855,3845,1920126,137627625,
 1165032679,1165032679,137627625,1920126,3845,
 18002,27760512]