A021259 Decimal expansion of 1/255.

0, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9, 8, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9, 8, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9, 8, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9, 8, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9, 8, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9, 8, 0, 3

Offset

0,3

Comments

Often used for converting 24-bit colors from 0..255 to [0, 1). - Charles R Greathouse IV, Mar 25 2014

Links

Table of n, a(n) for n=0..98.

Stack Overflow, What does the constant 0.0039215689 represent?

Mathematica

Join[{0, 0}, RealDigits[1/255, 10, 120][[1]]] (* or *) PadRight[{0}, 120, {8, 0, 3, 9, 2, 1, 5, 6, 8, 6, 2, 7, 4, 5, 0, 9}] (* Harvey P. Dale, Jul 02 2017 *)

Prog

(PARI) 1/255. \\ Charles R Greathouse IV, Mar 25 2014

Crossrefs

Sequence in context: A016048 A256501 A229099 * A194807 A114875 A275371

Adjacent sequences: A021256 A021257 A021258 * A021260 A021261 A021262

Keyword

nonn,cons,easy

Author

N. J. A. Sloane

Status

approved