# A291561 (b-file synthesized from sequence entry)
1 1
2 10
3 315
4 18900
5 1819125
6 255405150
7 49165491375
8 12417798393000
9 3981456609755625
10 1579311121869731250
11 759174856282779811875
12 434800144961955710437500
13 292511797523155704196828125
14 228384211143079261353677343750
15 204811697921525723306815646484375
16 209071781238293458351597411931250000
17 241020562808770177455950891441994140625
18 311597054671244174125111099536008660156250