[1,1,3,6,15,31,92,161,464,2347,3987,18202,50136,
81722,214976,903048,3684567,5842249,23206424,
57341256,89938662,343306266,829972421,3084219358,
17375700038,40920517008,62656899579,146415515992,
223442878751,518427758704,9544240589455,
21746920337606]
|