A171677 Period 9:repeat 7,5,7,4,2,4,1,8,1.

7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1, 7, 5, 7, 4, 2, 4, 1, 8, 1

Offset: 0

Author

Paul Curtz, Dec 15 2009

Keywords

• nonn
• easy

Comments

Represents also the decimal expansion of 252474727/333333333.

Contains the same set of numbers as A141425.

Links

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

Crossrefs

Cf. A165568.

Programs

Mathematica

PadRight[{},80,{7,5,7,4,2,4,1,8,1}] (* Harvey P. Dale, Aug 27 2019 *)

Formula

a(n) = A165563(n+1) mod 9.

G.f.: ( -7-5*x-7*x^2-4*x^3-2*x^4-4*x^5-x^6-8*x^7-x^8 ) / ( (x-1) *(1+x+x^2) *(x^6+x^3+1) ). - R. J. Mathar, Mar 08 2011

Extensions

More terms from Jinyuan Wang, Feb 26 2020