[2,11,31,88,287,881,2686,8347,25763,79376,245227, 757045,2336222,7212287,22263871,68722504, 212138639,654844841,2021399374,6239772643, 19261292171,59456768000,183534426499,566544237805, 1748839677662,5398414303799]