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2, 4, 8, 248, 17608, 90148, 106978, 253828, 364808, 1642798, 1926088, 6176264, 21879938, 30484408, 34634428, 96593698, 134396408, 223622468, 283585928, 327327388, 457961188, 809965148, 1709420344, 1815124028, 2164392968, 2360006456, 2431619908, 2500777828, 2922255548, 3888155428, 5672481928
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OFFSET
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1,1
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COMMENTS
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Also, the even terms of A033554.
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LINKS
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Max Alekseyev, Table of n, a(n) for n = 1..314 (all terms below 10^15)
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PROG
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(PARI) isok(n) = !(n % 2) && (Mod(2^n, n) == Mod(8, n)); \\ Michel Marcus, Oct 13 2013
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CROSSREFS
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Cf. A015922, A130133.
Sequence in context: A012648 A130133 A033555 * A082613 A013553 A302864
Adjacent sequences: A130131 A130132 A130133 * A130135 A130136 A130137
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KEYWORD
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nonn
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AUTHOR
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Zak Seidov, May 12 2007
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EXTENSIONS
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a(8)-a(9) from Michel Marcus, Oct 13 2013
Terms a(10) onward from Max Alekseyev, Oct 11 2016
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STATUS
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approved
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