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A014957
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Positive integers k that divide 16^k - 1.
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8
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1, 3, 5, 9, 15, 21, 25, 27, 39, 45, 55, 63, 75, 81, 105, 117, 125, 135, 147, 155, 165, 171, 189, 195, 205, 225, 243, 273, 275, 315, 333, 351, 375, 405, 441, 465, 495, 507, 513, 525, 567, 585, 605, 609, 615, 625, 657, 675, 729, 735, 775, 819, 825, 855, 903
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listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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Also, positive integers k that divide A014931(k).
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LINKS
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PROG
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(Python)
A014957_list = [n for n in range(1, 10**6) if n == 1 or pow(16, n, n) == 1] # Chai Wah Wu, Mar 25 2021
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CROSSREFS
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Cf. A067945, A014945, A067946, A014946, A067947, A014949, A068382, A014950, A068383, A014951, A116621, A014956, A177805, A177807, A128358, A128360
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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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