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A046985 as a simple table

na(n)
11
26
3672
430240
532760
623569920
745532800
814182439040
951001180160
10153003540480
11403031236608
1213661860101120
13154345556085770649600
149186050031556349952000
15143573364313605309726720
16352338107624535891640320
17680489641226538823680000
1834384125938411324962897920

[1,6,672,30240,32760,23569920,45532800,
 14182439040,51001180160,153003540480,403031236608,
 13661860101120,154345556085770649600,
 9186050031556349952000,143573364313605309726720,
 352338107624535891640320,680489641226538823680000,
 34384125938411324962897920]