# A137405 (b-file synthesized from sequence entry) 1 1 2 3 3 -1 4 -4 5 -10 6 1 7 12 8 44 9 23 10 -1 11 0 12 576 13 -864 14 -288 15 316 16 71 17 -1 18 -7104 19 -608 20 5800 21 1168 22 -670 23 -108 24 1 25 45248 26 44096 27 -19712 28 -21712 29 116 30 1768 31 151 32 -1 33 450432 34 135424 35 -346176 36 -66560 37 69008 38 7344 39 -3204 40 -204 41 1 42 2240512 43 -5071104 44 -1422080 45 2168128 46 188672 47 -212928 48 -10924 49 5960 50 265 51 -1