Search: id:A081344
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%I A081344
%S A081344 1,2,4,9,3,5,10,8,6,16,25,11,7,15,17,26,24,12,14,18,36,49,27,23,13,19,
%T A081344 35,37,50,48,28,22,20,34,38,64,81,51,47,29,21,33,39,63,65,82,80,52,46,
%U A081344 30,32,40,62,66,100,121,83,79,53,45,31,41,61,67,99,101,122,120,84,78,54
%N A081344 Natural numbers in square maze arrangement, read by antidiagonals.
%C A081344 Arrange the natural numbers by taking clockwise and counter-clockwise 
               turns. Begin (LL) and then repeat (RRR)(LLL).
%e A081344 The arrangement begins
%e A081344 1 4 5 16
%e A081344 2 3 6 15
%e A081344 9 8 7 14
%e A081344 10 11 12 13
%Y A081344 The main diagonal is A002061. The following appear within interlaced 
               sequences : A016754, A001844, A053755, A004120. The first row is 
               A081345. The first column is A081346.
%Y A081344 Sequence in context: A133057 A155523 A019912 this_sequence A021405 A161360 
               A104654
%Y A081344 Adjacent sequences: A081341 A081342 A081343 this_sequence A081345 A081346 
               A081347
%K A081344 nonn,tabl
%O A081344 1,2
%A A081344 Paul Barry (pbarry(AT)wit.ie), Mar 19 2003

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