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 A184402 Ranks of (even i)+(even j)*r, when all i+j*r are ranked;   r=sqrt(2), i>=0, j>=0. 7

%I

%S 1,4,6,10,13,17,19,23,28,30,34,36,42,45,49,51,56,59,62,67,70,75,78,82,

%T 84,88,91,97,101,105,107,111,115,117,122,126,131,133,138,142,144,149,

%U 154,156,160,162,167,172,174,180,185,187,191,193,199,201,205,207

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

%e 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 ranks where i and j are both even are 1,4,6.

%Y Cf. A184397, A184398, A184399, A184400, A184401, A184403.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jan 12 2011

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Last modified June 24 02:56 EDT 2021. Contains 345415 sequences. (Running on oeis4.)