# A204013 (b-file synthesized from sequence entry) 1 1 2 -1 3 1 4 -6 5 1 6 0 7 -10 8 15 9 -1 10 -4 11 -8 12 40 13 -28 14 1 15 -16 16 24 17 56 18 -110 19 45 20 -1 21 -48 22 160 23 -72 24 -224 25 245 26 -66 27 1 28 -128 29 608 30 -880 31 120 32 672 33 -476 34 91 35 -1 36 -320 37 1920 38 -4160 39 3520 40 0 41 -1680 42 840 43 -120 44 1 45 -768 46 5504 47 -15360 48 20384