# A134139 (b-file synthesized from sequence entry)
1 1
2 4
3 16
4 44
5 -244
6 -7336
7 -112664
8 -1406336
9 -14058944
10 -66627136
11 1879992896
12 85070733824
13 2359547577856
14 54106723270144
15 1055100890838016
16 15611883969810944
17 48348082318102016
18 -9055743653514520576
19 -521351156412528902144