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A064290
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First number of height n in Recaman's sequence A005132.
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8
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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; internal format)
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OFFSET
| 1,2
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COMMENTS
| The height of a term in A005132 = number of addition steps - number of subtraction steps to produce it.
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LINKS
| Index entries for sequences related to Recaman's sequence
N. J. A. Sloane, FORTRAN program for A005132, A057167, A064227, A064228
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EXAMPLE
| A005132 begins 1, 3, 6, 2, 7, 13, 20, 12, ... and these terms have heights 1, 2, 3, 2, 3, 4, 5, 4, ...
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CROSSREFS
| Cf. A005132, A064288, A064289, A064292, A064293, A064294.
Sequence in context: A064349 A101965 A147009 * A064621 A180750 A047172
Adjacent sequences: A064287 A064288 A064289 * A064291 A064292 A064293
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com), Sep 25 2001
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