# A109018 (b-file synthesized from sequence entry)
1 13
2 15
3 117
4 126
5 270
6 2576
7 8820
8 16560
9 21168
10 46848
11 295245
12 441600
13 846720
14 4078080
15 80663040
16 40590720
17 2173236480
18 4011724800
19 21122906112
20 40915058688
21 274148425728
22 63769149440
23 2707602702336
24 6167442456576