# A013442 (b-file synthesized from sequence entry)
0 4
1 -8
2 992
3 -14464
4 3391232
5 -175044608
6 64560399360
7 -8423762821120
8 4197760943882240
9 -1054662864854450176
10 677817013904397697024
11 -277456857021505605206016
12 226696976060712490528407552