# A114449 (b-file synthesized from sequence entry)
1 1
2 22
3 2232
4 526256
5 223342560
6 149004576000
7 143638792012800
8 188865721926604800
9 324805825447366348800
10 707653302810219988992000
11 1904745046396912124461056000
12 6206775274489558456631623680000