# A012113 (b-file synthesized from sequence entry)
1 1
2 2
3 24
4 552
5 28032
6 1778688
7 212383872
8 25215328512
9 5734229114880
10 1029078328135680
11 410202091438571520
12 93624495716395745280
13 65377722614151010222080
14 15441784659337549573324800