# A101658 (b-file synthesized from sequence entry)
0 1
1 2
2 8
3 16
4 160
5 640
6 6400
7 12800
8 25600
9 256000
10 1024000
11 4096000
12 16384000
13 163840000
14 327680000
15 655360000
16 2621440000
17 5242880000
18 10485760000
19 104857600000
20 419430400000
21 1677721600000
22 3355443200000
23 13421772800000