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A254619 as a simple table

na(n)
01
124
2960
353760
43870720
5340623360
635424829440
74250979532800
8578133216460800
987876248902041600
1014763209815542988800
112716430606059909939200
12543286121211981987840000
13117349802181788109373440000

[1,24,960,53760,3870720,340623360,35424829440,
 4250979532800,578133216460800,87876248902041600,
 14763209815542988800,2716430606059909939200,
 543286121211981987840000,
 117349802181788109373440000]