# A367847 (b-file synthesized from sequence entry) 0 1 1 5 2 66 3 1358 4 37592 5 1304536 6 54384080 7 2646247152 8 147186205056 9 9210766696320 10 640472632680192 11 48989958019395840 12 4087959251421060096 13 369547591764702870528 14 35976590549993421907968 15 3752609987262290143082496 16 417518648351593243448279040