[2,2,4,7,15,32,71,158,354,794,1783,4005,8998, 20217,45426,102070,229348,515339,1157955,2601900, 5846415,13136774,29518062,66326482,149034251, 334876921,752461610,1690765889,3799116466, 8536537210,19181424996]