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A116572
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a(n) = floor(prime(n)/5) for n > 2, a(1) = a(2) = 1.
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2
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1, 1, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 8, 8, 9, 10, 11, 12, 13, 14, 14, 15, 16, 17, 19, 20, 20, 21, 21, 22, 25, 26, 27, 27, 29, 30, 31, 32, 33, 34, 35, 36, 38, 38, 39, 39, 42, 44, 45, 45, 46, 47, 48, 50, 51, 52, 53, 54, 55, 56, 56, 58, 61, 62, 62, 63, 66, 67, 69
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listen;
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OFFSET
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1,5
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LINKS
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MATHEMATICA
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PROG
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(Magma) [1, 1] cat [NthPrime(n) div 5: n in [3..80]]; // Vincenzo Librandi, Apr 14 2015
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CROSSREFS
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KEYWORD
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nonn,easy,less
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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