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A013444 as a simple table

na(n)
01
10
20
3-160
41792
5-484224
638725632
7-8292976640
81743232565248
9-521161362997248
10188842450602393600
11-83511992640895975424
1244545415648776825077760
13-27875257165637958804439040

[1,0,0,-160,1792,-484224,38725632,-8292976640,
 1743232565248,-521161362997248,188842450602393600,
 -83511992640895975424,44545415648776825077760,
 -27875257165637958804439040]