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A121299 as a simple table

na(n)
11
24
314
447
5149
6458
71373
84046
911765
1033857
1196611
12273760
13771164
142161352
156031104
1616764719
1746442640
18128268379
19353296944
20970717966
212661204271
227280832780
2319882745230
2454203791062
25147536291969
26400991600305

[1,4,14,47,149,458,1373,4046,11765,33857,96611,
 273760,771164,2161352,6031104,16764719,46442640,
 128268379,353296944,970717966,2661204271,
 7280832780,19882745230,54203791062,147536291969,
 400991600305]