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A036500 Number of inequivalent cyclic Hadamard difference sets with parameters (2^n-1, 2^(n-1)-1, 2^(n-2)-1). 0
1, 1, 1, 1, 2, 2, 6, 4, 5, 10 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,5
LINKS
P. Gaal and S. W. Golomb, Exhaustive determination of (1023,511,255) cyclic Hadamard difference sets, Math. Comp. Math. Comp. 70 (2001), no. 233, 357-366.
CROSSREFS
Sequence in context: A264695 A112336 A028390 * A371824 A077080 A273012
KEYWORD
nonn,nice,hard,more
AUTHOR
STATUS
approved

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Last modified April 18 21:51 EDT 2024. Contains 371781 sequences. (Running on oeis4.)