A184399 Ranks of (odd i)+(odd j)*r, when all i+j*r are ranked; r=sqrt(2), i>=0, j>=0.

5, 12, 15, 21, 26, 31, 33, 39, 46, 48, 52, 55, 63, 66, 71, 74, 79, 83, 87, 92, 96, 102, 106, 110, 112, 116, 121, 127, 132, 137, 139, 143, 148, 150, 155, 161, 166, 168, 173, 179, 181, 186, 192, 194, 198, 200, 206, 212, 214, 220, 227, 229, 233, 235, 241, 244, 248, 250, 257

Offset

1,1

Links

Table of n, a(n) for n=1..59.

Example

Writing (i,j) for i+j*r, the first 7 in the ranking are (0,0), (1,0), (0,1), (2,0), (1,1), (0,2), (3,0); the rank where i and j are both odd is 5.

Crossrefs

Cf. A184397, A184398, A184400, A184401, A184402, A184403.

Sequence in context: A087090 A161756 A314274 * A314275 A314276 A056713

Adjacent sequences: A184396 A184397 A184398 * A184400 A184401 A184402

Keyword

nonn

Author

Clark Kimberling, Jan 12 2011

Status

approved