[1,1,2,4,8,14,15,-30,-297,-1442,-5693,-20046, -64765,-192911,-522954,-1236717,-2221422,-848673, 18142403,122417208,573446212,2287694033, 8211900486,26984131280,81027339912,217474121511, 487508197964,690838844798,-1034716617740]