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%I #22 Jun 15 2022 01:55:29
%S 1,2,6,3,5,7,12,4,8,20,13,11,9,19,21,30,14,10,18,22,42,31,29,15,17,23,
%T 41,43,56,32,28,16,24,40,44,72,57,55,33,27,25,39,45,71,73,90,58,54,34,
%U 26,38,46,70,74,110,91,89,59,53,35,37,47,69,75,109,111
%N Natural numbers arranged in a square maze beginning 1, 2, 3, then moving right, then up, right, down, left, down, right, etc., and read by antidiagonals upwards.
%H Jinyuan Wang, <a href="/A093650/b093650.txt">Rows n = 1..100 of triangle, flattened</a>
%H <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%e a(3) = 6 because the maze begins 2 under 1, 3 under 2, 4 right of 3, 5 right of 2 and 6 right of 1.
%e Array begins:
%e 1 6---7 20 ...
%e | | | |
%e 2 5 8 19 ...
%e | | | |
%e 3---4 9 18 ...
%e | |
%e 12--11--10 17 ...
%e | |
%e 13--14--15--16 ...
%e ...
%Y Cf. A080335, A081347, A081348.
%Y Other square mazes: A081344, A081349.
%K nonn,tabl
%O 1,2
%A _Michael Joseph Halm_, May 15 2004
%E More terms from _Jinyuan Wang_, Jun 15 2022