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A183989
Ranks of (odd i)+(odd j)*r when all i+j*r are ranked, where r=golden ratio, i>=0, j>=0.
7
5, 11, 16, 20, 26, 31, 34, 39, 44, 48, 54, 58, 60, 65, 71, 76, 79, 84, 88, 91, 97, 100, 105, 110, 114, 120, 123, 125, 129, 135, 139, 145, 149, 151, 156, 162, 166, 169, 173, 177, 180, 185, 191, 196, 199, 204, 208, 211, 216, 219, 223, 228, 232
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 rank where i and j are both odd is a(1)=5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 08 2011
STATUS
approved