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A372528 as a simple table

na(n)
11
21
33
48
522
665
7200
8637
92090
107021
1124041
1283611
13294511
141048376
153765080
1613623820
1749617990
18181733222
19668947823
202473277248
219180700787
2234200489886
23127819746470
24479124333321
251800838945043
266785517883825
2725626477179000
2896988079848223
29367794448974300
301397301289617580

[1,1,3,8,22,65,200,637,2090,7021,24041,83611,
 294511,1048376,3765080,13623820,49617990,
 181733222,668947823,2473277248,9180700787,
 34200489886,127819746470,479124333321,
 1800838945043,6785517883825,25626477179000,
 96988079848223,367794448974300,1397301289617580]