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A064290 First number of height n in Recamán's sequence A005132. 12
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 (list; graph; refs; listen; history; text; internal format)
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
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, ...
CROSSREFS
Sequence in context: A147009 A361273 A318228 * A064621 A330588 A194279
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

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Last modified February 28 04:16 EST 2024. Contains 370379 sequences. (Running on oeis4.)