# A137312 (b-file synthesized from sequence entry) 0 1 1 0 2 2 3 0 4 -2 5 4 6 0 7 4 8 -12 9 8 10 0 11 -12 12 44 13 -48 14 16 15 0 16 48 17 -200 18 280 19 -160 20 32 21 0 22 -240 23 1096 24 -1800 25 1360 26 -480 27 64 28 0 29 1440 30 -7056 31 12992 32 -11760 33 5600 34 -1344 35 128 36 0 37 -10080 38 52272 39 -105056 40 108304 41 -62720 42 20608 43 -3584 44 256 45 0 46 80640 47 -438336 48 944992 49 -1076544 50 718368 51 -290304 52 69888 53 -9216 54 512