# A272247 (b-file synthesized from sequence entry)
0 0
1 2
2 8704
3 104372388
4 3087748038656
5 194985808028125000
6 23467500289618753093632
7 4938279594477505466022892304
8 1699491802948673617630927695904768
9 907214902722906584628050661111614570016
10 719684491044699824651608981274624000000000000