A131973 Period 8: repeat 121, 242, 363, 484, 605, 726, 847, 968.

121, 242, 363, 484, 605, 726, 847, 968, 121, 242, 363, 484, 605, 726, 847, 968, 121, 242, 363, 484, 605, 726, 847, 968, 121, 242, 363, 484, 605, 726, 847, 968, 121, 242, 363, 484, 605, 726, 847, 968, 121, 242, 363, 484, 605, 726, 847, 968

Offset

0,1

Comments

Terms of the simple continued fraction of 3954651264456094/[sqrt(3663663534134476144562369346293201910) - 1914037205521730080]. - Paolo P. Lava, Aug 06 2009

Links

Table of n, a(n) for n=0..47.

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

Formula

a(n) = (1/28)*{3509*(n mod 8) + 121*[(n+1) mod 8] + 121*[(n+2) mod 8] + 121*[(n+3) mod 8] + 121*[(n+4) mod 8] + 121*[(n+5) mod 8] + 121*[(n+6) mod 8] + 121*[(n+7) mod 8]}, with n >= 0. - Paolo P. Lava, Oct 08 2007

a(n) = 121((n mod 8) + 1). - Alonso del Arte, May 24 2015

G.f.: (968*x^7 + 847*x^6 + 726*x^5 + 605*x^4 + 484*x^3 + 363*x^2 + 242*x + 121)/(1 - x^8). - Chai Wah Wu, Jul 17 2016

Mathematica

PadRight[{}, 80, 121Range[8]] (* Harvey P. Dale, Jul 25 2013, with a slight modification from Alonso del Arte, May 24 2015 *)
121(Mod[Range[0, 47], 8] + 1) (* Alonso del Arte, May 24 2015 *)

Crossrefs

Sequence in context: A261618 A084998 A082944 * A045571 A088285 A218172

Adjacent sequences: A131970 A131971 A131972 * A131974 A131975 A131976

Keyword

nonn,easy

Author

Paul Curtz, Oct 06 2007

Status

approved