[0,0,0,0,1,2,7,14,37,74,176,352,794,1588,3473, 6946,14893,29786,63004,126008,263950,527900, 1097790,2195580,4540386,9080772,18696432,37392864, 76717268,153434536,313889477,627778954,1281220733, 2562441466,5219170052,10438340104]