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A178890 a(n) = n OR 3n, where OR is bitwise OR. 7
0, 3, 6, 11, 12, 15, 22, 23, 24, 27, 30, 43, 44, 47, 46, 47, 48, 51, 54, 59, 60, 63, 86, 87, 88, 91, 94, 91, 92, 95, 94, 95, 96, 99, 102, 107, 108, 111, 118, 119, 120, 123, 126, 171, 172, 175, 174, 175, 176, 179, 182, 187, 188, 191, 182, 183, 184, 187, 190, 187, 188 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..60.

MATHEMATICA

f[n_] := BitOr[n, 3n]; Array[f, 61, 0] (* Robert G. Wilson v, Jun 28 2010 *)

CROSSREFS

Cf. A163617, A178891, A178892, A178893, A178894, A178895, A178896, A178897.

Sequence in context: A066157 A073159 A000419 * A332933 A115821 A115767

Adjacent sequences:  A178887 A178888 A178889 * A178891 A178892 A178893

KEYWORD

nonn

AUTHOR

Dmitry Kamenetsky, Jun 21 2010

EXTENSIONS

More terms from Robert G. Wilson v, Jun 28 2010

STATUS

approved

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Last modified October 27 19:59 EDT 2020. Contains 338036 sequences. (Running on oeis4.)