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A159543 as a simple table

na(n)
01
130
2322
3-25020
4-1308948
518577800
64340193720
765778001200
8-15587083755120
9-771769990202400
1057930909988062240
116198757843011739200
12-182361990413747545920
13-48465444111541849468800
14-83695327377356424021120
15389671513929275953180896000

[1,30,322,-25020,-1308948,18577800,4340193720,
 65778001200,-15587083755120,-771769990202400,
 57930909988062240,6198757843011739200,
 -182361990413747545920,-48465444111541849468800,
 -83695327377356424021120,
 389671513929275953180896000]