# A140693 (b-file synthesized from sequence entry) 0 1 1 1 2 -1 3 1 4 -2 5 1 6 -4 7 4 8 1 9 -8 10 12 11 1 12 -16 13 76 14 -96 15 1 16 -32 17 260 18 -400 19 1 20 -64 21 1324 22 -9600 23 14400 24 1 25 -128 26 4760 27 -50176 28 82320 29 1 30 -256 31 22348 32 -771232 33 8479744 34 -14049280 35 1 36 -512 37 82452 38 -4517424 39 63576576 40 -109734912 41 1 42 -1024 43 371284 44 -57164880 45 3387844800 46 -52272864000 47 91445760000