# A182971 (b-file synthesized from sequence entry) 0 1 1 1 2 -1 3 1 4 -4 5 1 6 -10 7 9 8 1 9 -20 10 64 11 1 12 -35 13 259 14 -225 15 1 16 -56 17 784 18 -2304 19 1 20 -84 21 1974 22 -12916 23 11025 24 1 25 -120 26 4368 27 -52480 28 147456 29 1 30 -165 31 8778 32 -172810 33 1057221 34 -893025 35 1 36 -220 37 16368 38 -489280 39 5395456 40 -14745600 41 1 42 -286 43 28743 44 -1234948 45 21967231 46 -128816766 47 108056025 48 1 49 -364 50 48048 51 -2846272 52 75851776 53 -791691264 54 2123366400