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A085133 Numbers n such that n and its digit reversal both are highly composite numbers. Or n and R(n) both are members of A002473. +0
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 18, 20, 21, 24, 27, 30, 36, 40, 42, 45, 48, 50, 54, 60, 63, 70, 72, 80, 81, 84, 90, 100, 120, 144, 180, 200, 210, 240, 252, 270, 288, 300, 343, 360, 400, 405, 420, 441, 450, 480, 500, 504, 525, 540, 576, 600, 630, 675, 686, 700, 720 (list; graph; listen)
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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