# A086891 (b-file synthesized from sequence entry)
1 1
2 4
3 8
4 64
5 640
6 2560
7 35840
8 114688
9 688128
10 13762560
11 14417920
12 346030080
13 1799356416
14 2399141888
15 23991418880
16 767725404160
17 2372969431040
18 5695126634496
19 216414812110848
20 221963909857280
21 9322484214005760