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A299311 as a simple table

na(n)
13
223
363
4504
53463
624519
7167810
81165033
98305148
1058382562
11409804187
122900191611
1320484580351
14144448486221
151020055338337
167204564257340
1750860269292839
18359093840742852
192535713227786876
2017904201238729402

[3,23,63,504,3463,24519,167810,1165033,8305148,
 58382562,409804187,2900191611,20484580351,
 144448486221,1020055338337,7204564257340,
 50860269292839,359093840742852,2535713227786876,
 17904201238729402]