# A211049 (b-file synthesized from sequence entry)
1 1
2 4
3 48
4 1232
5 69944
6 8897744
7 2543744944
8 1632807480048
9 2350761948259496
10 7595900369159613200
11 55087633557679363709984
12 896577592582670794898595216