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A273878 as a simple table

na(n)
01
14
23
348
440
51440
61260
78960
872576
97257600
106652800
11958003200
12889574400
1311623772160
14163459296000
1541845579776000
1639520825344000
1712804747411456000
1812164510040883200
19231704953159680000
204644631106519040000

[1,4,3,48,40,1440,1260,8960,72576,7257600,6652800,
 958003200,889574400,11623772160,163459296000,
 41845579776000,39520825344000,12804747411456000,
 12164510040883200,231704953159680000,
 4644631106519040000]