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A209348 as a simple table

na(n)
121
2514
34029
418646
562853
6172610
7409199
8870122
91699831
103104474
115365417
128858142
1314068115
1421614144
1532266607
1646975088
1766888951
1893389664
19128113109
20172986976
21230254897
22302518564
23392763779
24504407780
25641326401
26807907094

[21,514,4029,18646,62853,172610,409199,870122,
 1699831,3104474,5365417,8858142,14068115,21614144,
 32266607,46975088,66888951,93389664,128113109,
 172986976,230254897,302518564,392763779,504407780,
 641326401,807907094]