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A184411
Ranks of (even i)+j/r when all i+j/r are ranked; r=sqrt(2), i>=0, j>=0. Complement of A184410.
2
1, 2, 4, 6, 7, 9, 10, 13, 14, 17, 18, 19, 22, 23, 24, 28, 29, 30, 34, 35, 36, 37, 41, 42, 43, 45, 49, 50, 51, 53, 56, 58, 59, 60, 62, 65, 67, 68, 70, 72, 75, 77, 78, 80, 82, 84, 86, 88, 89, 91, 93, 95, 97, 99, 101, 103, 105, 107, 109, 111, 113, 115, 117, 118, 120
OFFSET
1,2
EXAMPLE
Writing (i,j) for i+j/r, the first 7 in the ranking are (0,0), (0,1), (1,0), (0,2), (1,1), (2,0), (0,3); the ranks where i is odd are 3,5 and the ranks where i is even are 1,2,4,6,7.
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jan 13 2011
STATUS
approved