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A143990 as a simple table

na(n)
01
11
24
342
4888
531920
61750320
7136115280
814254007040
91934091250560
10330078373228800
1169199130042380800
1217481751115946163200
135237838647954514201600
141836425205487182172262400
15744852154338379227748608000
16346052141662324885396697088000
17182572078442025253754006986752000

[1,1,4,42,888,31920,1750320,136115280,14254007040,
 1934091250560,330078373228800,69199130042380800,
 17481751115946163200,5237838647954514201600,
 1836425205487182172262400,
 744852154338379227748608000,
 346052141662324885396697088000,
 182572078442025253754006986752000]