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%I #49 Apr 12 2014 00:55:41
%S 0,3,2,13,12,11,10,9,8,43,42,41,42,43,44,45,46,113,114,39,38,37,36,35,
%T 34,33,32,31,30,29,28,27,26,157,156,155,154,153,152,153,154,155,156,
%U 157,158,159,160,161,162,163,164,367,368,369,370,151,152
%N Bisection of Recamán's sequence A005132.
%C Also length of the horizontal edges of a rectangular polyspiral path. For the vertical edges see A210605. The mentioned polyspiral path is one of the three views of a rectangular polyhelix which is a three-dimensional graphical representation of Recamán's sequence A005132.
%H <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a>
%e 1) Written as an irregular array in which each row lists consecutive numbers in ascending order or in descending order:
%e 0;
%e 3,2;
%e 13,12,11,10,9,8;
%e 43,42,41;
%e 42,43,44,45,46;
%e 113,114;
%e 39,38,37,36,35,34,33,32,31,30,29,28,27,26;
%e ...
%e 2) Written as an irregular array in which each row lists consecutive numbers in ascending order, in descending order or in descending-ascending order:
%e 0;
%e 3,2;
%e 13,12,11,10,9,8;
%e 43,42,41,42,43,44,45,46;
%e 113,114;
%e 39,38,37,36,35,34,33,32,31,30,29,28,27,26;
%e ...
%Y Cf. A005132, A065056, A171175, A171178, A210605-A210607.
%K nonn,tabf
%O 1,2
%A _Omar E. Pol_, Mar 23 2012
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