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A003474 as a simple table

na(n)
11
24
318
432
5160
6324
71456
82048
913122
1025600
11117128
12209952
13913952
142119936
159447840
1613107200
1786093440
18172186884
19774840976
201310720000
216964002864
2213718968384
2362761410632
2488159684608
25557885504000
26835308258304
275083731656658
288988257288192
2945753584909920
3089261680665600
31411782264189296
32564050001920000

[1,4,18,32,160,324,1456,2048,13122,25600,117128,
 209952,913952,2119936,9447840,13107200,86093440,
 172186884,774840976,1310720000,6964002864,
 13718968384,62761410632,88159684608,557885504000,
 835308258304,5083731656658,8988257288192,
 45753584909920,89261680665600,411782264189296,
 564050001920000]