# A127674 (b-file synthesized from sequence entry) 0 1 1 -1 2 2 3 1 4 -8 5 8 6 -1 7 18 8 -48 9 32 10 1 11 -32 12 160 13 -256 14 128 15 -1 16 50 17 -400 18 1120 19 -1280 20 512 21 1 22 -72 23 840 24 -3584 25 6912 26 -6144 27 2048 28 -1 29 98 30 -1568 31 9408 32 -26880 33 39424 34 -28672 35 8192 36 1 37 -128 38 2688 39 -21504 40 84480 41 -180224 42 212992 43 -131072 44 32768 45 -1 46 162 47 -4320 48 44352 49 -228096 50 658944 51 -1118208