# A372747 (b-file synthesized from sequence entry) 0 0 1 1 2 1 3 4 4 28 5 270 6 3185 7 42830 8 636250 9 10765885 10 227860725 11 6003043950 12 152451368175 13 2205648850800 14 1614364541325 15 6690753945813375 16 787760273195291625 17 -6787610390670062625 18 -7103289749314032719250 19 -59946385622086525694250 20 117473730537013548978420000