A064290 - OEIS

A064290

First number of height n in Recamán's sequence A005132.

0, 1, 3, 6, 13, 20, 43, 62, 113, 224, 367, 494, 833, 1815, 3379, 5551, 9169, 17864, 32978, 58964, 106218, 131313, 155719, 180118, 591890, 881467, 1345004, 3012446, 5728819, 9309579, 17512700, 25641318, 52978675, 61998980, 125130665, 244636214, 280766754, 566273517, 1031389697, 2182394227, 3045423658, 3454917187

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OFFSET

1,3

COMMENTS

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

Needs a b-file. - N. J. A. Sloane, May 01 2020

LINKS

Table of n, a(n) for n=1..42.

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, ...