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A209218 as a simple table

na(n)
11
22
32
45
513
65
712
8115
9115
1012
1133
121468
135822
141468
1533
1699
1722738
18459808
19459808
2022738
2199
22319
23415695
2449062184
25245980249
2649062184
27415695
28319
291079
308685016

[1,2,2,5,13,5,12,115,115,12,33,1468,5822,1468,33,
 99,22738,459808,459808,22738,99,319,415695,
 49062184,245980249,49062184,415695,319,1079,
 8685016]