# A177851 (b-file synthesized from sequence entry) 1 1 2 2 3 2 4 3 5 5 6 7 7 4 8 9 9 16 10 25 11 5 12 14 13 30 14 55 15 91 16 6 17 20 18 50 19 105 20 196 21 336 22 7 23 27 24 77 25 182 26 378 27 714 28 1254 29 8 30 35 31 112 32 294 33 672 34 1386 35 2640 36 4719 37 9 38 44 39 156 40 450 41 1122 42 2508 43 5148 44 9867 45 17875 46 10 47 54 48 210 49 660 50 1782 51 4290 52 9438 53 19305 54 37180 55 68068