# A145599 (b-file synthesized from sequence entry) 4 1 5 5 6 5 7 15 8 35 9 15 10 35 11 140 12 140 13 35 14 70 15 420 16 720 17 420 18 70 19 126 20 1050 21 2700 22 2700 23 1050 24 126 25 210 26 2310 27 8250 28 12375 29 8250 30 2310 31 210 32 330 33 4620 34 21780 35 45375 36 45375 37 21780 38 4620 39 330 40 495 41 8580 42 51480 43 141570 44 196625 45 141570 46 51480 47 8580 48 495 49 715 50 15015