# A120031 (b-file synthesized from sequence entry)
0 1
1 1
2 2
3 5
4 40
5 4
6 48
7 312
8 1664
9 14144
10 56576
11 28288
12 226304
13 217600
14 870400
15 2524160
16 80773120
17 2375680
18 1900544
19 35160064
20 1406402560
21 28831252480
22 115325009920
23 288312524800
24 4613000396800
25 92260007936
26 369040031744