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A012431 as a simple table

na(n)
01
10
2-12
3360
4-7280
5-383040
689394624
7-8970625664
8-316692862720
9470941672802304
10-146844936720038912
1118279034160407939072
129932590980055055503360
13-8395139128320596309032960

[1,0,-12,360,-7280,-383040,89394624,-8970625664,
 -316692862720,470941672802304,-146844936720038912,
 18279034160407939072,9932590980055055503360,
 -8395139128320596309032960]