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A007636
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Numbers k such that k^2 + k + 17 is composite.
(Formerly M4996)
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2
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16, 17, 20, 25, 32, 33, 34, 36, 39, 41, 43, 48, 50, 51, 52, 54, 55, 58, 61, 65, 66, 67, 68, 69, 71, 74, 77, 78, 80, 83, 84, 85, 88, 89, 90, 93, 94, 96, 97, 99, 100, 101, 102, 105, 106, 107, 111, 112, 115, 116, 117, 118, 119, 122, 124, 126, 131, 134, 135, 136, 137
(list;
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listen;
history;
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internal format)
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OFFSET
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1,1
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COMMENTS
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
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LINKS
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MATHEMATICA
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PROG
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CROSSREFS
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KEYWORD
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nonn,easy
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AUTHOR
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STATUS
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approved
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