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A141906 as a simple table

na(n)
01
11
21
31
42
56
61
76
890
91680
101
1124
122520
13369600
1463063000
151
16120
17113400
18168168000
19305540235000
20623360743125120
211
22720
237484400
24137225088000
253246670537110000
2688832646059788350720
272670177736637149247308800

[1,1,1,1,2,6,1,6,90,1680,1,24,2520,369600,
 63063000,1,120,113400,168168000,305540235000,
 623360743125120,1,720,7484400,137225088000,
 3246670537110000,88832646059788350720,
 2670177736637149247308800]