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 A183987 Ranks of (odd i)+j*r, when all i+j*r are ranked; r=golden ratio (1+sqrt(5))/2), i>=0, j>=0.  Complement of A183988. 8

%I

%S 2,5,6,10,11,13,16,18,20,22,24,26,29,31,33,34,36,39,42,44,45,47,48,51,

%T 54,57,58,60,61,64,65,68,71,72,75,76,79,80,83,84,87,88,91,92,96,97,

%U 100,101,104,105,106,109,110,114,115,119,120,123,124,125,128,129

%N Ranks of (odd i)+j*r, when all i+j*r are ranked; r=golden ratio (1+sqrt(5))/2), i>=0, j>=0. Complement of A183988.

%D Mohammad K. Azarian, Problem 123, Missouri Journal of Mathematical Sciences, Vol. 10, No. 3, Fall 1998, p. 176. Solution published in Vol. 12, No. 1, Winter 2000, pp. 61-62.

%e Writing (i,j) for i+r*j, the first 7 in the ranking are

%e (0,0), (1,0), (0,1), (2,0), (1,1), (3,0), (0,2);

%e the ranks where i is odd are 2,5,6 and the ranks where

%e i is even are 1,3,4,7.

%Y Cf., A183988, A183989, A183990, A183991, A183992, A183993.

%K nonn

%O 1,1

%A _Clark Kimberling_, Jan 08 2011

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Last modified March 25 20:10 EDT 2019. Contains 321477 sequences. (Running on oeis4.)