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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
2, 5, 6, 10, 11, 13, 16, 18, 20, 22, 24, 26, 29, 31, 33, 34, 36, 39, 42, 44, 45, 47, 48, 51, 54, 57, 58, 60, 61, 64, 65, 68, 71, 72, 75, 76, 79, 80, 83, 84, 87, 88, 91, 92, 96, 97, 100, 101, 104, 105, 106, 109, 110, 114, 115, 119, 120, 123, 124, 125, 128, 129
OFFSET
1,1
EXAMPLE
Writing (i,j) for i+r*j, the first 7 in the ranking are
(0,0), (1,0), (0,1), (2,0), (1,1), (3,0), (0,2);
the ranks where i is odd are 2,5,6 and the ranks where i is even are 1,3,4,7.
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 08 2011
STATUS
approved