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A023501
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a(n) = b(n) + d(n), where b(n) = (n-th Lucas number > 1) and d(n) = (n-th number that is 1, 2, or 3, or is not a Lucas number).
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0
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4, 6, 10, 16, 24, 37, 56, 86, 135, 212, 336, 536, 859, 1381, 2226, 3591, 5799, 9371, 15150, 24500, 39628, 64105, 103709, 167789, 271473, 439235, 710679, 1149884, 1860532, 3010384, 4870883, 7881233, 12752081, 20633278, 33385322
(list; graph; refs; listen; history; internal format)
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