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A075944 Basis for code in A075943. 6
511, 15887, 116275, 412245, 693418, 3165290, 12603032, 21139155, 38803550, 201349286, 336626733, 609260174, 3221261509, 5374090380, 25769843817, 43016936625, 78384372260, 412317013686, 687266122367, 1238028666383 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

J. H. Conway and N. J. A. Sloane, Lexicographic codes: error-correcting codes from game theory, IEEE Transactions on Information Theory, 32:337-348, 1986.

LINKS

Table of n, a(n) for n=0..19.

Bob Jenkins, Tables of Binary Lexicodes

Ari Trachtenberg, Error-Correcting Codes on Graphs: Lexicodes, Trellises and Factor Graphs

FORMULA

a(n) = b(2^n), where b is A075943, the binary lexicode, d=9.

b(n) = XOR(a(i)) for all i where the i-th bit is set in n.

CROSSREFS

Cf. A075928, A075929, A075930, A075943, A075945, A075947, A075938, A075950.

Sequence in context: A038996 A068025 A075943 * A181128 A228265 A228224

Adjacent sequences:  A075941 A075942 A075943 * A075945 A075946 A075947

KEYWORD

nonn

AUTHOR

Bob Jenkins (bob_jenkins(AT)burtleburtle.net)

STATUS

approved

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Last modified September 21 17:46 EDT 2019. Contains 327273 sequences. (Running on oeis4.)