# A184892 (b-file synthesized from sequence entry)
0 1
1 40
2 8100
3 2310000
4 768075000
5 278719056000
6 107022956040000
7 42753018765600000
8 17585519046944062500
9 7397979398239787500000
10 3168258657090171394750000
11 1376657183877933677265000000