# A357512 (b-file synthesized from sequence entry)
0 0
1 4
2 1188
3 126144
4 10040000
5 682492500
6 41503541940
7 2325305113600
8 122429236976640
9 6140504039242500
10 296222848665342500
11 13841644170257145792
12 629814531655430506944
13 28019919084086921883892
14 1222770835880665252492500
15 52476371578141941012480000
16 2219374467089388085650636800