A144478 - OEIS

A144478

Period 9: repeat 1,0,5,7,6,2,4,3,8.

1, 0, 5, 7, 6, 2, 4, 3, 8, 1, 0, 5, 7, 6, 2, 4, 3, 8, 1, 0, 5, 7, 6, 2, 4, 3, 8, 1, 0, 5, 7, 6, 2, 4, 3, 8, 1, 0, 5, 7, 6, 2, 4, 3, 8, 1, 0, 5, 7, 6, 2, 4, 3, 8

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OFFSET

1,3

COMMENTS

Essentially the same as A145577.

LINKS

Table of n, a(n) for n=1..54.

Index entries for linear recurrences with constant coefficients, signature (0,0,0,0,0,0,0,0,1).

FORMULA

a(n) = A144390(n) mod 9.

a(9n+2)+a(9n+3)+a(9n+4) = a(9n+5)+a(9n+6)+a(9n+7) = a(9n+8)+a(9n+9)+a(9n+10) = 12.

a(n+4)-a(n+1) = period length 9 (repeat 6,-3,-3,-3,6,-3,-3,-3,6).

PROG

(PARI) a(n)=[1, 0, 5, 7, 6, 2, 4, 3, 8][n%9+1] \\ Charles R Greathouse IV, Jun 02 2011

CROSSREFS

Sequence in context: A348727 A347901 A145577 * A059249 A175294 A196615

Adjacent sequences: A144475 A144476 A144477 * A144479 A144480 A144481

KEYWORD

nonn,easy,less

AUTHOR

Paul Curtz, Oct 11 2008

STATUS

approved