# A127157 (b-file synthesized from sequence entry) 1 1 2 2 3 3 4 2 5 4 6 10 7 5 8 30 9 7 10 6 11 70 12 56 13 7 14 140 15 252 16 30 17 8 18 252 19 840 20 330 21 9 22 420 23 2310 24 1980 25 143 26 10 27 660 28 5544 29 8580 30 2002 31 11 32 990 33 12012 34 30030 35 15015 36 728 37 12 38 1430 39 24024 40 90090 41 80080 42 12376 43 13 44 2002 45 45045 46 240240 47 340340 48 111384 49 3876 50 14 51 2730