# A336899 (b-file synthesized from sequence entry)
0 1
1 2
2 6
3 56
4 60
5 992
6 672
7 16256
8 8160
9 261632
10 523776
11 4192256
12 1397760
13 67100672
14 134209536
15 1073709056
16 268431360
17 17179738112
18 3817734144
19 274877382656
20 54975528960
21 628292059136
22 8796090925056
23 70368735789056
24 11728123330560
25 1125899873288192
26 2251799780130816