[3,9,25,69,207,603,1741,5223,15445,45423,133083, 388931,1166793,3468159,10273893,30362903,89585413, 268756239,801503303,2384949771,7085216455, 21024282907,62328987385,184644664807,553933994421, 1654527949377]