# A128821 (b-file synthesized from sequence entry) 1 1 2 3 3 1 4 5 5 9 6 1 7 7 8 30 9 18 10 1 11 9 12 70 13 100 14 30 15 1 16 11 17 135 18 350 19 250 20 45 21 1 22 13 23 231 24 945 25 1225 26 525 27 63 28 1 29 15 30 364 31 2156 32 4410 33 3430 34 980 35 84 36 1 37 17 38 540 39 4368 40 12936 41 15876 42 8232 43 1680 44 108 45 1 46 19 47 765 48 8100 49 32760 50 58212 51 47628 52 17640 53 2700 54 135 55 1