# A053995 (b-file synthesized from sequence entry)
0 1
1 2
2 24
3 1872
4 1010880
5 3963053952
6 116846682720768
7 26600881786245651456
8 47704425342545776582103040
9 684471586202557775548246032261120
10 79552147744537053441626504660608566263808
11 75648987817302293231984664268437958161057494925312