# A354429 (b-file synthesized from sequence entry)
0 0
1 6
2 -120
3 3696
4 -168960
5 10830336
6 -929510400
7 103028914176
8 -14334577213440
9 2446660141449216
10 -502760445200302080
11 122445316208597139456
12 -34878879321781771960320
13 11489340492300854960848896
14 -4333862194374775050243932160
15 1855989889103139616252584001536