# A166318 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 -4 4 0 5 1 6 0 7 -16 8 0 9 1 10 80 11 0 12 -40 13 0 14 1 15 0 16 640 17 0 18 -80 19 0 20 1 21 -3904 22 0 23 2800 24 0 25 -140 26 0 27 1 28 0 29 -49152 30 0 31 8960 32 0 33 -224 34 0 35 1 36 354560 37 0 38 -319744 39 0 40 23520 41 0 42 -336 43 0 44 1 45 0 46 6225920 47 0 48 -1454080 49 0 50 53760 51 0 52 -480 53 0 54 1 55 -51733504 56 0 57 54897920 58 0