# A120257 (b-file synthesized from sequence entry) 0 1 1 2 2 -1 3 3 4 -6 5 -1 6 4 7 -20 8 -20 9 1 10 5 11 -50 12 -175 13 70 14 1 15 6 16 -105 17 -980 18 1764 19 252 20 -1 21 7 22 -196 23 -4116 24 24696 25 19404 26 -924 27 -1 28 8 29 -336 30 -14112 31 232848 32 731808 33 -226512 34 -3432 35 1 36 9 37 -540 38 -41580 39 1646568 40 16818516 41 -24293412 42 -2760615 43 12870 44 1 45 10 46 -825 47 -108900 48 9343620 49 267227532 50 -1447482465