

A183991


Ranks of (even i)+(odd j)*r when all i+j*r are ranked, r=golden ratio, i>=0, j>=0.


7



3, 8, 12, 15, 21, 25, 28, 32, 37, 41, 46, 50, 52, 56, 62, 67, 69, 74, 78, 81, 86, 89, 94, 99, 102, 108, 111, 113, 117, 122, 126, 132, 136, 138, 142, 148, 152, 155, 159, 163, 165, 170, 176, 181, 184, 188, 192, 195, 200, 203, 207, 212, 215, 220, 224, 227, 233
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OFFSET

1,1


LINKS

Table of n, a(n) for n=1..57.


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 is even and j is odd is a(1)=3.


CROSSREFS

Cf. A183987, A183988, A183989, A183990, A183992, A183993.
Sequence in context: A280239 A310284 A296368 * A022806 A084162 A140103
Adjacent sequences: A183988 A183989 A183990 * A183992 A183993 A183994


KEYWORD

nonn


AUTHOR

Clark Kimberling, Jan 08 2011


STATUS

approved



