[1,-1,-1,1,2,-3,-5,9,15,-27,-49,89,164,-304,-565, 1057,1987,-3745,-7085,13445,25575,-48771,-93210, 178481,342392,-657935,-1266205,2440323,4709403, -9099507,-17602325,34087058,66076421,-128207979, -248983641]