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A274133 Numbers representable as ror(x)+rol(x) in two or more ways, where ror(x)=A038572(x) is x rotated one binary place to the right, rol(x)=A006257(x) is x rotated one binary place to the left. 0
2, 9, 14, 15, 20, 27, 32, 37, 42, 47, 52, 57, 62, 129, 134, 139, 144, 149, 154, 159, 164, 169, 174, 179, 184, 189, 194, 195, 199, 200, 204, 205, 209, 210, 214, 215, 219, 220, 224, 225, 229, 230, 234, 235, 239, 240, 244, 245, 249, 250, 254, 255, 260, 265, 270, 275 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

These are the duplicates in A273105.

LINKS

Table of n, a(n) for n=1..56.

EXAMPLE

ror(5) + rol(5) = 6 + 3 = 9, and also ror(16) + rol(16) = 8 + 1 = 9, therefore 9 is in the sequence.

CROSSREFS

Cf. A006257, A038572, A273105.

Sequence in context: A071343 A043401 A226953 * A288483 A304807 A045920

Adjacent sequences:  A274130 A274131 A274132 * A274134 A274135 A274136

KEYWORD

nonn,base

AUTHOR

Alex Ratushnyak, Jun 10 2016

STATUS

approved

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Last modified February 21 19:46 EST 2020. Contains 332110 sequences. (Running on oeis4.)