# A060113 (b-file synthesized from sequence entry)
0 1
1 1
2 1
3 3
4 12
5 48
6 1392
7 214402800
8 3817990510765200
9 4738197524832401740110000
10 1091118722532825192362856035208963090000
11 2182237445065650384725712070417926180000
12 507772214574105904772762129719909048054921244582661534399180000