# A101502 (b-file synthesized from sequence entry)
0 1
1 0
2 4
3 0
4 48
5 32
6 640
7 896
8 8960
9 18432
10 130048
11 337920
12 1941504
13 5857280
14 29605888
15 98435072
16 458424320
17 1624375296
18 7174881280
19 26507476992
20 113123524608
21 429538672640
22 1792440008704
23 6929367695360
24 28495396732928