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A064288 Height of n when it appears for first time in Recamán's sequence A005132. 8

%I

%S 1,2,2,7,7,3,3,4,4,4,4,4,4,5,5,5,5,5,18,5,5,5,5,5,5,6,6,6,6,6,6,6,6,6,

%T 6,6,6,6,6,7,6,6,6,6,6,6,8,8,8,8,8,8,8,8,8,8,8,8,8,8,19,7,7,7,7,7,7,7,

%U 7,7,7,7,7,7,7,19,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,9,9,9,9,9,9,9,9

%N Height of n when it appears for first time in Recamán's sequence A005132.

%C The height of a term in A005132 = number of addition steps - number of subtraction steps to produce it.

%H N. J. A. Sloane, <a href="/A005132/a005132.txt">FORTRAN program for A005132, A057167, A064227, A064228</a>

%H <a href="/index/Rea#Recaman">Index entries for sequences related to Recamán's sequence</a>

%e A005132 begins 1, 3, 6, 2, 7, 13, 20, 12, ... and these terms have heights 1, 2, 3, 2, 3, 4, 5, 4, ...

%Y Cf. A005132, A064289, A064290 - A064294.

%K nonn

%O 1,2

%A _N. J. A. Sloane_, Sep 25 2001

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Last modified November 14 03:52 EST 2018. Contains 317159 sequences. (Running on oeis4.)