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A variant of A367150 with application of the distance minimization to an 8-fold symmetrically expanded sector between Pi/4 and Pi/2 of the pair of rotated grids created by the strip bijection of A307110.
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%I #13 Jan 07 2024 08:03:48

%S 0,5,6,7,8,2,3,4,1,13,15,17,19,14,10,16,11,18,12,20,9,26,27,28,25,21,

%T 22,23,24,38,39,40,41,42,43,44,37,30,31,32,33,34,35,36,29,57,58,59,60,

%U 62,63,64,65,66,67,68,61,46,47,48,45,50,51,52,53,54,55,56,49,71,72,83,74,75,85,77,78,87,80,69,81,102,73

%N A variant of A367150 with application of the distance minimization to an 8-fold symmetrically expanded sector between Pi/4 and Pi/2 of the pair of rotated grids created by the strip bijection of A307110.

%H Hugo Pfoertner, <a href="/A368126/b368126.txt">Table of n, a(n) for n = 0..10000</a>

%H Klaus Nagel, <a href="/A368126/a368126.pdf">Symmetrized strip bijection</a>, with mirrored repetition of sector 1.

%H Hugo Pfoertner, <a href="/A368126/a368126.png">Distance minimization applied to symmetrized strip bijection</a>, using sector between Pi/4 and Pi/2.

%H Hugo Pfoertner, <a href="https://www.randomwalk.de/sequences/a368126_PARI.txt">PARI program</a>.

%o (PARI) See link.

%Y A305575, A305576 are used to enumerate the grid points in rings of increasing radius.

%Y Cf. A307110, A367150, A368121, A368129, A368130.

%K nonn

%O 0,2

%A _Hugo Pfoertner_, Jan 05 2024