# A089827 (b-file synthesized from sequence entry) 1 2 2 4 3 8 4 16 5 24 6 48 7 80 8 160 9 320 10 640 11 1280 12 2560 13 3840 14 7680 15 15360 16 30720 17 61440 18 122880 19 184320 20 368640 21 737280 22 1474560 23 2949120 24 5898240 25 11796480 26 23592960 27 47185920 28 94371840 29 188743680 30 377487360 31 566231040