# A288873 (b-file synthesized from sequence entry) 0 1 1 -2 2 8 3 0 4 -128 5 0 6 2048 7 0 8 -32768 9 0 10 2621440 11 0 12 -5796528128 13 0 14 939524096 15 0 16 -7767448354816 17 0 18 1507258642989056 19 0 20 -95993412418797568 21 0 22 7516375836686024704 23 0 24 -33265288504730187726848 25 0 26 19259875741830735724544 27 0 28 -855664510723636131971203072 29 0 30 4966694343692730467779807805440