%I
%S 1,4,2,5,3,15,6,8,14,16,59,7,9,13,17,60,58,10,12,18,20,61,57,55,11,31,
%T 19,21,64,62,56,54,32,30,24,22,65,63,51,53,33,29,25,23,235,66,68,50,
%U 52,34,36,28,26,234,236,79,67,69,49,47,35,37,27,231,233,237,80,78,72
%N Hilbert curve in N X N grid, onebased, starting downwards from the topleft corner.
%H Antti Karttunen, <a href="/A163363/b163363.txt">Table of n, a(n) for n = 1..32896</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%F a(n) = A163359(n1) + 1.
%Y Inverse: A163364. Transpose: A163361.
%K nonn,tabl
%O 1,2
%A _Antti Karttunen_, Jul 29 2009
