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A052324 as a simple table

na(n)
00
11
21
32
45
519
690
7520
83475
926550
10228050
112177020
1222860090
13261870070
143249793360
1543432062300
16621911561150
179498946124800
18154152712434600
192648808048264400
2048043086765929200
21917249983543337400

[0,1,1,2,5,19,90,520,3475,26550,228050,2177020,
 22860090,261870070,3249793360,43432062300,
 621911561150,9498946124800,154152712434600,
 2648808048264400,48043086765929200,
 917249983543337400]