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

0, 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, 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, 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

Offset

0,3

Comments

The height of a term in A005132 = number of addition steps - number of subtraction steps to produce it (see A064289).

Links

Rémy Sigrist, Table of n, a(n) for n = 0..1354

Rémy Sigrist, C program for A064288

N. J. A. Sloane, FORTRAN program for A005132, A057167, A064227, A064228

Index entries for sequences related to Recamán's sequence

Example

A005132 begins 0, 1, 3, 6, 2, 7, 13, 20, 12, ... and these terms have heights 0, 1, 2, 3, 2, 3, 4, 5, 4, ...

Prog

(C) See Links section.

Crossrefs

Cf. A005132, A064289, A064290, A064291, A064292, A064293, A064294.

Sequence in context: A152825 A347073 A261710 * A054085 A357412 A021443

Adjacent sequences: A064285 A064286 A064287 * A064289 A064290 A064291

Keyword

nonn

Author

N. J. A. Sloane, Sep 25 2001

Extensions

a(0)=0 added by N. J. A. Sloane, May 01 2020

Status

approved