A066329 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A066329

Binary string which equals n when 1's, 2's, 4's and 8's bits have weights 1, 1, 3, 5 respectively, while the other bits have their usual weights. -1 if no such string exists.

0, 1, 11, 100, 101, 1000, 1001, 1011, 1100, 1101, 1111, -1, -1, -1, -1, -1, 10000, 10001, 10011, 10100, 10101, 11000, 11001, 11011, 11100, 11101, 11111, -1, -1, -1, -1, -1, 100000, 100001, 100011, 100100, 100101, 101000, 101001, 101011, 101100, 101101, 101111, -1, -1, -1, -1, -1, 110000, 110001, 110011

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

REFERENCES

John M. Yarbrough, Digital Logic Applications and Design, West Publishing, 1997, p. 26

LINKS

Table of n, a(n) for n=0..50.

CROSSREFS

Cf. A066335.

A120631 is the decimal conversion of these binary strings.

Sequence in context: A287984 A261757 A280049 * A309870 A219896 A330898

Adjacent sequences: A066326 A066327 A066328 * A066330 A066331 A066332