[1,2,4,8,14,26,48,88,154,278,500,900,1576,2806,
4996,8894,15564,27538,48726,86212,150792,265730,
468342,825462,1442866,2535802,4457332,7835308,
13687192,24008300,42118956,73895808,129012260,
225966856,395842772,693470658,1210093142,
2117089488,3704400974]
|