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A010727
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Constant sequence: the all 7's sequence.
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15
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7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
(list;
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refs;
listen;
history;
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internal format)
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OFFSET
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0,1
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COMMENTS
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Final digit of 16^(2^n) + 1. That is, the last digit of every Fermat number F(n) is 7, where n >= 2. - Arkadiusz Wesolowski, Jul 28 2011
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LINKS
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FORMULA
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MATHEMATICA
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ContinuedFraction[(7 + Sqrt@ 53)/2, 105] (* Or *)
PadRight[{}, 90, 7] (* or *) Table[7, {90}] (* Harvey P. Dale, Jun 05 2013 *)
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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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