# A163166 (b-file synthesized from sequence entry) 0 1 1 10 2 105 3 1150 4 13025 5 151250 6 1787625 7 21383750 8 257850625 9 3125556250 10 38015315625 11 463378468750 12 5656114390625 13 69101333281250 14 844695798515625 15 10329289308593750 16 126339685312890625 17 1545511221941406250