A183992 - OEIS

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A183992

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

1, 4, 7, 9, 14, 17, 19, 23, 27, 30, 35, 38, 40, 43, 49, 53, 55, 59, 63, 66, 70, 73, 77, 82, 85, 90, 93, 95, 98, 103, 107, 112, 116, 118, 121, 127, 131, 133, 137, 141, 143, 147, 153, 158, 160, 164, 168, 171, 175, 178, 182, 187, 189, 194, 198, 201, 206

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Also the ranks of (even i)+(even j)/r, when all i+j/r are ranked, because 1/r = r-1. Complement of A184333.

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 ranks where both i and j are even are a(1)=1, a(2)=4,

a(3)=7.