# A099211 (b-file synthesized from sequence entry) 0 1 1 -2 2 4 3 -4 4 0 5 16 6 -48 7 96 8 -128 9 64 10 256 11 -1024 12 2304 13 -3584 14 3072 15 3072 16 -20480 17 53248 18 -94208 19 106496 20 0 21 -376832 22 1179648 23 -2359296 24 3211264 25 -1703936 26 -6029312 27 24903680 28 -56623104 29 89128960 30 -78643200 31 -69206016