A172430 - OEIS

A172430

Period length 10: repeat 2,1,6,7,0,3,4,9,8,5 .

2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3, 4, 9, 8, 5, 2, 1, 6, 7, 0, 3

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OFFSET

0,1

COMMENTS

Also the decimal expansion of the rational number 240781665 / 1111111111 .

LINKS

Table of n, a(n) for n=0..105.

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

FORMULA

a(n) = A172285(n+1) mod 10.

G.f.: (2+x+6*x^2+7*x^3+3*x^5+4*x^6+9*x^7+8*x^8+5*x^9)/ ((1-x) * (1+x) * (x^4+x^3+x^2 +x+1)* (x^4-x^3+x^2-x+1)).

a(3*n) = A172423(n+2).