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A353822 as a simple table

na(n)
10
21
32
49
524
6110
7720
85985
939200
10343224
113628800
1241295870
13479001600
146130959120
1587104969952
161318070979225
1720922789888000
18354344089779680
196402373705728000
20121882240625961816
212432849766865689600
2251041049953430700800
231124000727777607680000

[0,1,2,9,24,110,720,5985,39200,343224,3628800,
 41295870,479001600,6130959120,87104969952,
 1318070979225,20922789888000,354344089779680,
 6402373705728000,121882240625961816,
 2432849766865689600,51041049953430700800,
 1124000727777607680000]