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A279236 as a simple table

na(n)
01
12
224
3720
440320
5518400
6479001600
787178291200
838817792000
96402373705728000
10221172909834240000
11160571532539658240000
1247726800133326110720000
1336662860102418694144000000
1443555477801673408643072000000
1524113896346562823512391680000000

[1,2,24,720,40320,518400,479001600,87178291200,
 38817792000,6402373705728000,221172909834240000,
 160571532539658240000,47726800133326110720000,
 36662860102418694144000000,
 43555477801673408643072000000,
 24113896346562823512391680000000]