# A165368 (b-file synthesized from sequence entry)
0 1
1 25
2 600
3 14400
4 345600
5 8294400
6 199065600
7 4777574400
8 114661785600
9 2751882854100
10 66045188491200
11 1585084523616300
12 38042028562651200
13 913008685404268800
14 21912208447317811200
15 525893002678396108800