

A140899


A140724(n+4). Period 10: repeat 7, 9, 5, 1, 3, 3, 1, 5, 9, 7.


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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

0,1


COMMENTS

A140724= period 10: repeat 1, 5, 9, 7, 7, 9, 5, 1, 3, 3 . a(n) is one of its two palindromic decuplets.


LINKS



FORMULA

Note a(2n)+a(2n+1)= period 5: repeat 16, 6, 6, 6, 16 .


PROG

(PARI) a(n)=[7, 9, 5, 1, 3, 3, 1, 5, 9, 7][n%10+1] \\ Charles R Greathouse IV, Jul 13 2016


CROSSREFS



KEYWORD

nonn,easy


AUTHOR



STATUS

approved



