# A157393 (b-file synthesized from sequence entry) 1 1 2 1 3 3 4 1 5 9 6 6 7 1 8 45 9 24 10 6 11 1 12 165 13 240 14 30 15 0 16 1 17 855 18 1560 19 360 20 0 21 0 22 1 23 3843 24 12180 25 3360 26 0 27 0 28 0 29 1 30 21819 31 96096 32 30660 33 0 34 0 35 0 36 0 37 1 38 114075 39 794304 40 318276 41 0 42 0 43 0 44 0 45 0 46 1 47 703215 48 6850080 49 3270960 50 0 51 0 52 0 53 0 54 0 55 0 56 1 57 4125495 58 62516520 59 35053920 60 0 61 0