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A026303
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a(n) = T(3n,n), where T is the array in A026300.
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0
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1, 3, 20, 147, 1143, 9163, 74919, 621015, 5199909, 43878315, 372530781, 3178551148, 27231924300, 234113134518, 2018601251793, 17449264269081, 151169392399773
(list; graph; refs; listen; history; internal format)
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