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A015969
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Numbers k that divide 16^k + 1.
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10
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1, 17, 289, 4913, 83521, 1419857, 6029713, 12027313, 24137569, 85525793, 102505121, 204464321, 410338673, 1453938481, 1742587057, 3475893457, 6975757441, 24716954177, 29623979969, 59090188769, 111612202577, 118587876497, 420188221009, 500540685121, 503607659473
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OFFSET
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1,2
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LINKS
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CROSSREFS
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Cf. A006521, A015949, A015950, A015951, A015953, A015954, A015955, A015957, A015958, A015960, A015961, A015963, A015965, A015968, A014957.
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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Missing terms a(10), a(14), a(18), and a(23) from Giovanni Resta, Mar 23 2020
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STATUS
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approved
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