# A115043 (b-file synthesized from sequence entry) 0 3 1 5 2 15 3 3 4 45 5 15 6 675 7 45 8 30375 9 675 10 20503125 11 30375 12 622782421875 13 20503125 14 12768985843505859375 15 622782421875 16 7952299928506168842315673828125 17 12768985843505859375