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Height of n-th term in A064389 (variation (4) of Recamán's sequence).
2

%I #8 Oct 30 2022 18:19:59

%S 1,2,3,2,3,4,5,4,5,4,5,4,5,4,5,4,5,6,7,6,7,6,5,6,5,6,7,8,7,8,7,6,5,6,

%T 5,6,7,8,7,6,7,8,9,8,7,6,7,6,7,6,7,8,9,8,9,8,7,6,7,8,9,8,9,8,9,8,9,8,

%U 7,8,9,10,9,10,9,8,7,8,7,8,9,10,9,10,9,10,9,8,9,10,11,10,11,10,9,8,9,8,9,10

%N Height of n-th term in A064389 (variation (4) of Recamán's sequence).

%H Nick Hobson, <a href="/A078759/b078759.txt">Table of n, a(n) for n=1..10000</a>

%H Nick Hobson, <a href="/A078759/a078759.py.txt">Python program for this sequence</a>

%F The height of a term in A064389 = number of addition steps - number of subtraction steps to produce it.

%Y Cf. A005132, A064289, A064389.

%K nonn

%O 1,2

%A _Reiner Martin_, Jan 08 2003