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A140899
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A140724(n+4). Period 10: repeat 7, 9, 5, 1, 3, 3, 1, 5, 9, 7.
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0
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7, 9, 5, 1, 3, 3, 1, 5, 9, 7, 7, 9, 5, 1, 3, 3, 1, 5, 9, 7, 7, 9, 5, 1, 3, 3, 1, 5, 9, 7, 7, 9, 5, 1, 3, 3, 1, 5, 9, 7
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OFFSET
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0,1
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COMMENTS
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A140724= period 10: repeat 1, 5, 9, 7, 7, 9, 5, 1, 3, 3 . a(n) is one of its two palindromic decuplets.
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LINKS
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FORMULA
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Note a(2n)+a(2n+1)= period 5: repeat 16, 6, 6, 6, 16 .
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PROG
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(PARI) a(n)=[7, 9, 5, 1, 3, 3, 1, 5, 9, 7][n%10+1] \\ Charles R Greathouse IV, Jul 13 2016
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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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