login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A066334 Binary string which equals n when 1's, 2's, 4's and 8's bits have weights 1, 2, 4, 2 respectively, while the other bits have their usual weights. -1 if no such string exists. 1
0, 1, 10, 11, 100, 101, 110, 111, 1110, 1111, -1, -1, -1, -1, -1, -1, 10000, 10001, 10010, 10011, 10100, 10101, 10110, 10111, 11110, 11111, -1, -1, -1, -1, -1, -1, 100000, 100001, 100010, 100011, 100100, 100101, 100110, 100111, 101110, 101111, -1, -1, -1, -1, -1, -1, 110000, 110001, 110010, 110011 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

REFERENCES

Morris M. Mano, Digital Design, Prentice Hall, 2002. p. 20.

LINKS

Table of n, a(n) for n=0..51.

CROSSREFS

Cf. A066335.

Sequence in context: A038102 A181891 A115846 * A136829 A262381 A278038

Adjacent sequences:  A066331 A066332 A066333 * A066335 A066336 A066337

KEYWORD

easy,sign

AUTHOR

George E. Antoniou (george.antoniou(AT)montclair.edu), Dec 15 2001

EXTENSIONS

More terms from Joshua Zucker, Jun 21 2006

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 21 06:00 EST 2019. Contains 329350 sequences. (Running on oeis4.)