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A141185
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a(n) = prime(prime(prime(prime(prime(prime(n)-1)-1)-1)-1)-1)-1, where prime(n) is the n-th prime.
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1
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1, 2, 862, 6688, 40086, 67138, 133998, 169986, 279816, 481020, 521860, 843376, 1063156, 1137456, 1337152, 1784610, 2176660, 2307082, 2794248, 3275662, 3395830, 3948472, 4334320, 4964242, 5718550, 6402580, 6652620, 7068780, 7352178, 7715292, 9493110, 10098576, 10825182
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OFFSET
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1,2
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LINKS
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MAPLE
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MATHEMATICA
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Table[Prime[Prime[Prime[Prime[Prime[Prime[n - 1] - 1] - 1] - 1] - 1] - 1] - 1, {n, 2, 50}] (* Vincenzo Librandi, Apr 05 2015 *)
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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