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A075935
Basis for code in A075934.
4
63, 455, 1611, 2709, 12365, 20630, 37463, 70299, 135886, 786510, 1310867, 2363919, 12582995, 20971674, 37749317, 71307271, 138674310, 272892511, 541332108, 3221225558, 5368709276, 9663677009, 18253615171, 35433742539
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.
FORMULA
a(n) = b(2^n), where b is A075934, the binary lexicode, d=6.
b(n) = XOR(a(i)) for all i where the i-th bit is set in n.
KEYWORD
nonn
AUTHOR
Bob Jenkins (bob_jenkins(AT)burtleburtle.net)
STATUS
approved