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A053820 as a simple table

na(n)
11
21
317
482
5354
6626
72275
83108
97395
109044
1125333
1217668
1360710
1450470
1588388
16103496
17243848
18129750
19432345
20266088
21497574
22497178
231151403
24539912
251541770
261153724
271900089
281516844
293756718
301246568
315273999

[1,1,17,82,354,626,2275,3108,7395,9044,25333,
 17668,60710,50470,88388,103496,243848,129750,
 432345,266088,497574,497178,1151403,539912,
 1541770,1153724,1900089,1516844,3756718,1246568,
 5273999]