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A036687 as a simple table

na(n)
01
112
2420
335280
46486480
52473511040
61888413246720
72815188363187200
88043859365429888000
943422645527382401280000
10437806134821131674998400000
118167684917019434265210752000000
12279763767797866931083907001600000000
1317478686582471797472931336490014720000000

[1,12,420,35280,6486480,2473511040,1888413246720,
 2815188363187200,8043859365429888000,
 43422645527382401280000,
 437806134821131674998400000,
 8167684917019434265210752000000,
 279763767797866931083907001600000000,
 17478686582471797472931336490014720000000]