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A229506 as a simple table

na(n)
10
2288
34032
450112
5575424
66298560
766764736
8691581888
97040530368
1070711413696
11702522486720
126917780251584
1367615723104192
14656742815497152
156344497107509184
1661004779879896000
17584181772129884096

[0,288,4032,50112,575424,6298560,66764736,
 691581888,7040530368,70711413696,702522486720,
 6917780251584,67615723104192,656742815497152,
 6344497107509184,61004779879896000,
 584181772129884096]