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楼主 |
发表于 2020-7-14 20:55
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a(2*n) = a(2*n-1) + a(2*n-2), a(2*n+1) = 2*a(2*n) + a(2*n-1); a(0) = a(1) = 1.
1, 1, 2, 5, 7, 19, 26, 71, 97, 265, 362, 989, 1351, 3691, 5042, 13775, 18817, 51409, 70226,
191861, 262087, 716035, 978122, 2672279, 3650401, 9973081, 13623482, 37220045, 50843527,
138907099, 189750626, 518408351, 708158977, 1934726305, ...... |
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