# A140050 (b-file synthesized from sequence entry)
1 2
2 8
3 140
4 6840
5 988272
6 447403472
7 660627632240
8 3275795875152672
9 55865676874553471264
10 3342534504414732132234688
11 713146571770256922167459951616
12 549740788325926349073175414573702656