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A075932
Basis for code in A075931.
4
31, 227, 805, 1354, 6182, 10315, 18731, 35149, 67943, 393255, 655433, 1181959, 6291497, 10485837, 18874658, 35653635, 69337155, 136446255, 270666054, 1610612779, 2684354638, 4831838504, 9126807585, 17716871269, 34896740609
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 A075931, the binary lexicode, d=5.
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