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A174575
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a(n) = floor( (alpha^n-beta^n)/(alpha-beta) ), where alpha=(1 + 3^(1/4))/2 and beta = (1 - 3^(1/4))/2.
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1
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0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 3, 3, 4, 5, 5, 6, 7, 9, 10, 12, 14, 16, 19, 22, 25, 29, 34, 39, 46, 53, 62, 71, 83, 96, 111, 129, 149, 173, 200, 232, 268, 311, 360, 417, 483, 560, 648, 751, 869, 1007, 1166
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