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A178891
a(n) = n OR 4n, where OR is bitwise OR.
8
0, 5, 10, 15, 20, 21, 30, 31, 40, 45, 42, 47, 60, 61, 62, 63, 80, 85, 90, 95, 84, 85, 94, 95, 120, 125, 122, 127, 124, 125, 126, 127, 160, 165, 170, 175, 180, 181, 190, 191, 168, 173, 170, 175, 188, 189, 190, 191, 240, 245, 250, 255, 244, 245, 254, 255, 248, 253
OFFSET
0,2
COMMENTS
Perhaps this is a rearrangement of A115772?
MAPLE
read("transforms") ; for n from 0 to 120 do printf("%d, ", ORnos(n, 4*n) ) ; end do: # R. J. Mathar, Jun 26 2010
MATHEMATICA
f[n_] := BitOr[n, 4n]; Array[f, 58, 0] (* Robert G. Wilson v, Jun 28 2010 *)
KEYWORD
nonn
AUTHOR
Dmitry Kamenetsky, Jun 21 2010
EXTENSIONS
More terms from R. J. Mathar and Robert G. Wilson v, Jun 26 2010
STATUS
approved